species habitat taxonomic.class tissue diet.type source.iso.13C source.iso.15N delta13C delta15N citation Rattus_norvegicus terrestrial mammalia liver herbivore -25.3 4.8 3.1 1.2 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia liver carnivore -16.2 12.3 3.1 0.6 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia liver omnivore -24.5 7.1 1.5 3.2 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia liver omnivore -16.7 7.4 2.2 3 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia blood herbivore -25.3 4.8 1.5 3.6 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia blood carnivore -16.2 12.3 0.7 3.7 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia blood omnivore -24.5 7.1 2.6 3.8 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia blood omnivore -16.7 7.4 1.2 3.6 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia kidney herbivore -25.3 4.8 1.4 2.5 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia kidney carnivore -16.2 12.3 0.8 3.1 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia kidney omnivore -24.5 7.1 2.4 2.7 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia kidney omnivore -16.7 7.4 1.3 2.2 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia blood herbivore -25.3 4.8 1.3 2 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia blood carnivore -16.2 12.3 0.7 3 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia blood omnivore -24.5 7.1 2.5 2.4 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia blood omnivore -16.7 7.4 0.6 2.2 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia muscle herbivore -25.3 4.8 1.7 2.3 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia muscle carnivore -16.2 12.3 1.2 3.1 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia muscle omnivore -24.5 7.1 2.8 2.7 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia muscle omnivore -16.7 7.4 1.5 2.3 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia hair herbivore -25.3 4.8 3.4 2.4 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia hair carnivore -16.2 12.3 2.1 3.9 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia hair omnivore -24.5 7.1 4.1 2.8 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Rattus_norvegicus terrestrial mammalia hair omnivore -16.7 7.4 2.3 2.9 "Kurle, C. M., Koch, P. L., Tershy, B. R., and Croll, D. A. (2014). The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (_13C and _15N) in mammalian omnivores. Isotopes in Environmental and Health Studies Vol. 50 , Iss. 3" Gymnogyps_californianus terrestrial aves blood carnivore -21.9 7.5 0.9 3.3 "Kurle, C. M., Finkelstein, M. E., Smith, K. R., George, D., Ciani, D., Koch, P. L., and Smith. D. R. (2013). Discrimination Factors for Stable Isotopes of Carbon and Nitrogen in Blood and Feathers from Chicks and Juveniles of the California Condor. The Condor 115 (3), 492-500" Gymnogyps_californianus terrestrial aves blood carnivore -21.9 7.5 0.3 1.8 "Kurle, C. M., Finkelstein, M. E., Smith, K. R., George, D., Ciani, D., Koch, P. L., and Smith. D. R. (2013). Discrimination Factors for Stable Isotopes of Carbon and Nitrogen in Blood and Feathers from Chicks and Juveniles of the California Condor. The Condor 115 (3), 492-500" Gymnogyps_californianus terrestrial aves blood carnivore -21.9 7.5 0.3 1.9 "Kurle, C. M., Finkelstein, M. E., Smith, K. R., George, D., Ciani, D., Koch, P. L., and Smith. D. R. (2013). Discrimination Factors for Stable Isotopes of Carbon and Nitrogen in Blood and Feathers from Chicks and Juveniles of the California Condor. The Condor 115 (3), 492-500" Gymnogyps_californianus terrestrial aves blood carnivore -21.9 7.4 0.9 3.3 "Kurle, C. M., Finkelstein, M. E., Smith, K. R., George, D., Ciani, D., Koch, P. L., and Smith. D. R. (2013). Discrimination Factors for Stable Isotopes of Carbon and Nitrogen in Blood and Feathers from Chicks and Juveniles of the California Condor. The Condor 115 (3), 492-500" Gymnogyps_californianus terrestrial aves blood carnivore -21.9 7.4 0.3 1.8 "Kurle, C. M., Finkelstein, M. E., Smith, K. R., George, D., Ciani, D., Koch, P. L., and Smith. D. R. (2013). Discrimination Factors for Stable Isotopes of Carbon and Nitrogen in Blood and Feathers from Chicks and Juveniles of the California Condor. The Condor 115 (3), 492-500" Gymnogyps_californianus terrestrial aves blood carnivore -21.9 7.4 0.3 1.9 "Kurle, C. M., Finkelstein, M. E., Smith, K. R., George, D., Ciani, D., Koch, P. L., and Smith. D. R. (2013). Discrimination Factors for Stable Isotopes of Carbon and Nitrogen in Blood and Feathers from Chicks and Juveniles of the California Condor. The Condor 115 (3), 492-500" Enhydra_lutris marine mammalia hair carnivore -17.8 10 2.8 5.5 "Tyrrell, L, P., Newsome, S. D., Fogel, M, L., Viens, M., Bowden, R., Murray M, J (2013) Vibrissae growth rates and trophic discrimination factors in captive southern sea otters (Enhydra lutris nereis). J Mammal. 94 (2), 331-338. doi: 10.1644/12-MAMM-A-035.1" Enhydra_lutris marine mammalia hair carnivore NA NA 2.4 4.9 "Tyrrell, L, P., Newsome, S. D., Fogel, M, L., Viens, M., Bowden, R., Murray M, J (2013) Vibrissae growth rates and trophic discrimination factors in captive southern sea otters (Enhydra lutris nereis). J Mammal. 94 (2), 331-338. doi: 10.1644/12-MAMM-A-035.1" Homo_sapiens terrestrial mammalia blood omnivore NA 4.8 NA 3.3 " O' Connell, T., Kneale, C., Tasevska, N., Kuhnle, G (2012) The diet-body offset in human nitrogen isotopic values: A controlled dietary study. American Journal of Physical Anthropology. 149(3),:426-434. doi:10.1002/ajpa.22140" Ovis_aries terrestrial mammalia blood herbivore -22.4 NA 5 NA "Cheng, L., Nicol, A. M., Dewhurst, R. J., and Edwards, G, R. (2013) The effects of dietary nitrogen to water-soluble carbohydrate ratio on isotopic fractionation and partitioning of nitrogen in non-lactating sheep. Animal, 7:8, 1274_1279 doi:10.1017/S175173111300031" Bubo_scandiaca terrestrial aves blood carnivore -19.6 7.8 0.3 1.9 "Therrien, J. F., Fitzgerald, G., Gauthier, G., & Bty, J. (2011). Diettissue discrimination factors of carbon and nitrogen stable isotopes in blood of Snowy Owl (Bubo scandiacus).Canadian Journal of Zoology,89(4), 343-347." Phoca_vitulina marine mammalia blood carnivore -19.5 12.5 1.5 3.8 "Germain, L. R., McCarthy, M. D., Koch, P. L. and Harvey, J. T. (2012), Stable carbon and nitrogen isotopes in multiple tissues of wild and captive harbor seals (Phoca vitulina) off the California coast. Marine Mammal Science, 28: 542_560. doi:10.1111/j.1748-7692.2011.00516.x" Peromyscus_leucopus terrestrial mammalia liver pellet -19.7 2.8 -0.5 4.5 "DeMots, R. L., Novak, J. M., Gaines, K. F., Gregor, A. J., Romanek, C. S., & Soluk, D. A. (2010). Tissuediet discrimination factors and turnover of stable carbon and nitrogen isotopes in white-footed mice (Peromyscus leucopus).Canadian Journal of Zoology,88(10), 961-967." Peromyscus_leucopus terrestrial mammalia muscle pellet -19.7 2.8 -0.7 3.2 "DeMots, R. L., Novak, J. M., Gaines, K. F., Gregor, A. J., Romanek, C. S., & Soluk, D. A. (2010). Tissuediet discrimination factors and turnover of stable carbon and nitrogen isotopes in white-footed mice (Peromyscus leucopus).Canadian Journal of Zoology,88(10), 961-967." Peromyscus_leucopus terrestrial mammalia blood pellet -19.7 2.8 -1.8 3.4 "DeMots, R. L., Novak, J. M., Gaines, K. F., Gregor, A. J., Romanek, C. S., & Soluk, D. A. (2010). Tissuediet discrimination factors and turnover of stable carbon and nitrogen isotopes in white-footed mice (Peromyscus leucopus).Canadian Journal of Zoology,88(10), 961-967." Peromyscus_leucopus terrestrial mammalia hair pellet -19.7 2.8 -1.1 2.9 "DeMots, R. L., Novak, J. M., Gaines, K. F., Gregor, A. J., Romanek, C. S., & Soluk, D. A. (2010). Tissuediet discrimination factors and turnover of stable carbon and nitrogen isotopes in white-footed mice (Peromyscus leucopus).Canadian Journal of Zoology,88(10), 961-967." Peromyscus_maniculatus terrestrial mammalia blood pellet -19.4 3.6 -0.2 2.3 "Miller, J. F., Millar, J. S., & Longstaffe, F. J. (2008). Carbon-and nitrogen-isotope tissuediet discrimination and turnover rates in deer mice, Peromyscus maniculatus.Canadian journal of Zoology,86(7), 685-691." Peromyscus_maniculatus terrestrial mammalia liver pellet -19.4 3.6 -0.8 3.4 "Miller, J. F., Millar, J. S., & Longstaffe, F. J. (2008). Carbon-and nitrogen-isotope tissuediet discrimination and turnover rates in deer mice, Peromyscus maniculatus.Canadian journal of Zoology,86(7), 685-691." Peromyscus_maniculatus terrestrial mammalia muscle pellet -19.4 3.6 -0.7 2.5 "Miller, J. F., Millar, J. S., & Longstaffe, F. J. (2008). Carbon-and nitrogen-isotope tissuediet discrimination and turnover rates in deer mice, Peromyscus maniculatus.Canadian journal of Zoology,86(7), 685-691." Peromyscus_maniculatus terrestrial mammalia milk pellet -19.4 3.6 -1.1 1.9 "Miller, J. F., Millar, J. S., & Longstaffe, F. J. (2008). Carbon-and nitrogen-isotope tissuediet discrimination and turnover rates in deer mice, Peromyscus maniculatus.Canadian journal of Zoology,86(7), 685-691." Rangifer_tarandus terrestrial mammalia blood pellet -28.6 3.7 3.5 4.2 "Halley, D. J., Minagawa, M., Nieminen, M., & Gaare, E. (2010). Diet: tissue stable isotope fractionation of carbon and nitrogen in blood plasma and whole blood of male reindeer Rangifer tarandus.Polar biology,33(10), 1303-1309." Rangifer_tarandus terrestrial mammalia blood pellet -28.6 3.7 3.7 2.5 "Halley, D. J., Minagawa, M., Nieminen, M., & Gaare, E. (2010). Diet: tissue stable isotope fractionation of carbon and nitrogen in blood plasma and whole blood of male reindeer Rangifer tarandus.Polar biology,33(10), 1303-1309." Rangifer_tarandus terrestrial mammalia muscle pellet -28.6 3.7 4.4 2.4 "Halley, D. J., Minagawa, M., Nieminen, M., & Gaare, E. (2010). Diet: tissue stable isotope fractionation of carbon and nitrogen in blood plasma and whole blood of male reindeer Rangifer tarandus.Polar biology,33(10), 1303-1309." Somateria_fischeri marine aves blood carnivore -20.3 6.7 2 4 "Federer, R. N., Hollmen, T. E., Esler, D., Wooller, M. J., & Wang, S. W. (2010). Stable carbon and nitrogen isotope discrimination factors from diet to blood plasma, cellular blood, feathers, and adipose tissue fatty acids in Spectacled Eiders (Somateria fischeri).Canadian Journal of Zoology,88(9), 866-874." Somateria_fischeri marine aves blood carnivore -20.3 6.7 0 4.9 "Federer, R. N., Hollmen, T. E., Esler, D., Wooller, M. J., & Wang, S. W. (2010). Stable carbon and nitrogen isotope discrimination factors from diet to blood plasma, cellular blood, feathers, and adipose tissue fatty acids in Spectacled Eiders (Somateria fischeri).Canadian Journal of Zoology,88(9), 866-874." Somateria_fischeri marine aves feather carnivore -20.3 6.7 3.2 5.6 "Federer, R. N., Hollmen, T. E., Esler, D., Wooller, M. J., & Wang, S. W. (2010). Stable carbon and nitrogen isotope discrimination factors from diet to blood plasma, cellular blood, feathers, and adipose tissue fatty acids in Spectacled Eiders (Somateria fischeri).Canadian Journal of Zoology,88(9), 866-874." Odocoileus_virginianus terrestrial mammalia hair herbivore -20.63 -0.37 0.27 5.15 "Darr, R. L., & Hewitt, D. G. (2008). Stable isotope trophic shifts in white-tailed deer.Journal of Wildlife Management,72(7), 1525-1531." Odocoileus_virginianus terrestrial mammalia blood herbivore -22.49 -0.65 0.35 4.41 "Darr, R. L., & Hewitt, D. G. (2008). Stable isotope trophic shifts in white-tailed deer.Journal of Wildlife Management,72(7), 1525-1531." Odocoileus_virginianus terrestrial mammalia blood herbivore -20.25 -0.33 -0.36 5.89 "Darr, R. L., & Hewitt, D. G. (2008). Stable isotope trophic shifts in white-tailed deer.Journal of Wildlife Management,72(7), 1525-1531." Pycnonotus_xanthopygos terrestrial aves blood herbivore NA 1.21 NA 4.1 "Tsahar, E., Wolf, N., Izhaki, I., Arad, Z., & del Rio, C. M. (2008). Dietary protein influences the rate of 15N incorporation in blood cells and plasma of Yellow-vented bulbuls (Pycnonotus xanthopygos).Journal of Experimental Biology,211(3), 459-465." Pycnonotus_xanthopygos terrestrial aves blood herbivore NA 1.21 NA 4.49 "Tsahar, E., Wolf, N., Izhaki, I., Arad, Z., & del Rio, C. M. (2008). Dietary protein influences the rate of 15N incorporation in blood cells and plasma of Yellow-vented bulbuls (Pycnonotus xanthopygos).Journal of Experimental Biology,211(3), 459-465." Cygnus_columbianus terrestrial aves blood pellet -21.46 1.95 0.46 4 "Hahn, S., Hoye, B. J., Korthals, H., & Klaassen, M. (2012). From food to offspring down: tissue-specific discrimination and turn-over of stable isotopes in herbivorous waterbirds and other avian foraging guilds.PLoS One,7(2), e30242." Cygnus_columbianus terrestrial aves blood pellet -21.46 1.95 -0.64 5.65 "Hahn, S., Hoye, B. J., Korthals, H., & Klaassen, M. (2012). From food to offspring down: tissue-specific discrimination and turn-over of stable isotopes in herbivorous waterbirds and other avian foraging guilds.PLoS One,7(2), e30242." Cygnus_columbianus terrestrial aves claws pellet -21.46 1.95 0.36 4.65 "Hahn, S., Hoye, B. J., Korthals, H., & Klaassen, M. (2012). From food to offspring down: tissue-specific discrimination and turn-over of stable isotopes in herbivorous waterbirds and other avian foraging guilds.PLoS One,7(2), e30242." Cygnus_columbianus terrestrial aves feather pellet -21.46 1.95 1.56 4.55 "Hahn, S., Hoye, B. J., Korthals, H., & Klaassen, M. (2012). From food to offspring down: tissue-specific discrimination and turn-over of stable isotopes in herbivorous waterbirds and other avian foraging guilds.PLoS One,7(2), e30242." Cygnus_columbianus terrestrial aves feather pellet -21.46 1.95 0.66 5.35 "Hahn, S., Hoye, B. J., Korthals, H., & Klaassen, M. (2012). From food to offspring down: tissue-specific discrimination and turn-over of stable isotopes in herbivorous waterbirds and other avian foraging guilds.PLoS One,7(2), e30242." Anas_platyrhynchos terrestrial aves blood pellet -21.46 1.95 0.16 4.65 "Hahn, S., Hoye, B. J., Korthals, H., & Klaassen, M. (2012). From food to offspring down: tissue-specific discrimination and turn-over of stable isotopes in herbivorous waterbirds and other avian foraging guilds.PLoS One,7(2), e30242." Anas_platyrhynchos terrestrial aves blood pellet -21.46 1.95 -0.34 3.55 "Hahn, S., Hoye, B. J., Korthals, H., & Klaassen, M. (2012). From food to offspring down: tissue-specific discrimination and turn-over of stable isotopes in herbivorous waterbirds and other avian foraging guilds.PLoS One,7(2), e30242." Anas_platyrhynchos terrestrial aves claws pellet -21.46 1.95 0.46 4.35 "Hahn, S., Hoye, B. J., Korthals, H., & Klaassen, M. (2012). From food to offspring down: tissue-specific discrimination and turn-over of stable isotopes in herbivorous waterbirds and other avian foraging guilds.PLoS One,7(2), e30242." Anas_platyrhynchos terrestrial aves feather pellet -21.46 1.95 0.36 4.85 "Hahn, S., Hoye, B. J., Korthals, H., & Klaassen, M. (2012). From food to offspring down: tissue-specific discrimination and turn-over of stable isotopes in herbivorous waterbirds and other avian foraging guilds.PLoS One,7(2), e30242." Anas_platyrhynchos terrestrial aves feather pellet -21.46 1.95 1.16 5.15 "Hahn, S., Hoye, B. J., Korthals, H., & Klaassen, M. (2012). From food to offspring down: tissue-specific discrimination and turn-over of stable isotopes in herbivorous waterbirds and other avian foraging guilds.PLoS One,7(2), e30242." Mus_musculus terrestrial mammalia hair pellet -19.3 5.1 1.1 3.05 "DeNiro, M. J., & Epstein, S. (1978). Influence of diet on the distribution of carbon isotopes in animals.Geochimica et cosmochimica acta,42(5), 495-506." Mus_musculus terrestrial mammalia liver pellet -19.3 5.1 -1.3 4.22 "DeNiro, M. J., & Epstein, S. (1978). Influence of diet on the distribution of carbon isotopes in animals.Geochimica et cosmochimica acta,42(5), 495-506." Mus_musculus terrestrial mammalia muscle pellet -19.3 5.1 -1.6 2.9 "DeNiro, M. J., & Epstein, S. (1978). Influence of diet on the distribution of carbon isotopes in animals.Geochimica et cosmochimica acta,42(5), 495-506." Mus_musculus terrestrial mammalia hair pellet -18.3 5.8 0.4 1.52 "DeNiro, M. J., & Epstein, S. (1978). Influence of diet on the distribution of carbon isotopes in animals.Geochimica et cosmochimica acta,42(5), 495-506." Mus_musculus terrestrial mammalia liver pellet -18.3 5.8 -1.7 2.62 "DeNiro, M. J., & Epstein, S. (1978). Influence of diet on the distribution of carbon isotopes in animals.Geochimica et cosmochimica acta,42(5), 495-506." Mus_musculus terrestrial mammalia hair pellet -22.3 4.6 1.7 3.2 "DeNiro, M. J., & Epstein, S. (1978). Influence of diet on the distribution of carbon isotopes in animals.Geochimica et cosmochimica acta,42(5), 495-506." Mus_musculus terrestrial mammalia liver pellet -22.3 4.6 1.4 4.67 "DeNiro, M. J., & Epstein, S. (1978). Influence of diet on the distribution of carbon isotopes in animals.Geochimica et cosmochimica acta,42(5), 495-506." Meriones_unguiculatus terrestrial mammalia muscle herbivore -12.2 NA -0.4 NA "Tieszen, L. L., Boutton, T. W., Tesdahl, K. G., & Slade, N. A. (1983). Fractionation and turnover of stable carbon isotopes in animal tissues: implications for _ 13 C analysis of diet.Oecologia,57(1), 32-37." Meriones_unguiculatus terrestrial mammalia liver herbivore -12.2 NA -0.1 NA "Tieszen, L. L., Boutton, T. W., Tesdahl, K. G., & Slade, N. A. (1983). Fractionation and turnover of stable carbon isotopes in animal tissues: implications for _ 13 C analysis of diet.Oecologia,57(1), 32-37." Meriones_unguiculatus terrestrial mammalia hair herbivore -12.2 NA 1.9 NA "Tieszen, L. L., Boutton, T. W., Tesdahl, K. G., & Slade, N. A. (1983). Fractionation and turnover of stable carbon isotopes in animal tissues: implications for _ 13 C analysis of diet.Oecologia,57(1), 32-37." Meriones_unguiculatus terrestrial mammalia muscle herbivore -21.8 NA 0.5 NA "Tieszen, L. L., Boutton, T. W., Tesdahl, K. G., & Slade, N. A. (1983). Fractionation and turnover of stable carbon isotopes in animal tissues: implications for _ 13 C analysis of diet.Oecologia,57(1), 32-37." Meriones_unguiculatus terrestrial mammalia liver herbivore -21.8 NA -0.5 NA "Tieszen, L. L., Boutton, T. W., Tesdahl, K. G., & Slade, N. A. (1983). Fractionation and turnover of stable carbon isotopes in animal tissues: implications for _ 13 C analysis of diet.Oecologia,57(1), 32-37." Meriones_unguiculatus terrestrial mammalia hair herbivore -21.8 NA 2.6 NA "Tieszen, L. L., Boutton, T. W., Tesdahl, K. G., & Slade, N. A. (1983). Fractionation and turnover of stable carbon isotopes in animal tissues: implications for _ 13 C analysis of diet.Oecologia,57(1), 32-37." Rattus_sp terrestrial mammalia liver pellet -21.1 5.1 0.2 3.4 "Yoneyama, T., Ohta, Y. & Ohtani, T. (1983) Variation of natural 13C and 15N abundances in the rat tissues and their correlation. Radioisotopes, 32, 330-332" Rattus_sp terrestrial mammalia blood pellet -21.1 5.1 0.2 2 "Yoneyama, T., Ohta, Y. & Ohtani, T. (1983) Variation of natural 13C and 15N abundances in the rat tissues and their correlation. Radioisotopes, 32, 330-332" Rattus_sp terrestrial mammalia blood pellet -21.1 5.1 0.7 3.9 "Yoneyama, T., Ohta, Y. & Ohtani, T. (1983) Variation of natural 13C and 15N abundances in the rat tissues and their correlation. Radioisotopes, 32, 330-332" Rattus_sp terrestrial mammalia muscle pellet -21.1 5.1 -0.4 3.1 "Yoneyama, T., Ohta, Y. & Ohtani, T. (1983) Variation of natural 13C and 15N abundances in the rat tissues and their correlation. Radioisotopes, 32, 330-332" Mus_musculus terrestrial mammalia muscle pellet NA 6.1 NA 2.9 "Minagawa, M., & Wada, E. (1984). Stepwise enrichment of 15 N along food chains: further evidence and the relation between _ 15 N and animal age.Geochimica et cosmochimica acta,48(5), 1135-1140." Ursus_americanus terrestrial mammalia blood carnivore -20.4 11.2 1.4 2.3 "Hilderbrand, G. V., Farley, S. D., Robbins, C. T., Hanley, T. A., Titus, K., & Servheen, C. (1996). Use of stable isotopes to determine diets of living and extinct bears.Canadian Journal of Zoology,74(11), 2080-2088." Ursus_americanus terrestrial mammalia blood carnivore -25.5 7 3.9 3.5 "Hilderbrand, G. V., Farley, S. D., Robbins, C. T., Hanley, T. A., Titus, K., & Servheen, C. (1996). Use of stable isotopes to determine diets of living and extinct bears.Canadian Journal of Zoology,74(11), 2080-2088." Ursus_americanus terrestrial mammalia blood herbivore -24.1 2.8 3.3 3.8 "Hilderbrand, G. V., Farley, S. D., Robbins, C. T., Hanley, T. A., Titus, K., & Servheen, C. (1996). Use of stable isotopes to determine diets of living and extinct bears.Canadian Journal of Zoology,74(11), 2080-2088." Ursus_americanus terrestrial mammalia blood omnivore -21 9.5 2.7 4.5 "Hilderbrand, G. V., Farley, S. D., Robbins, C. T., Hanley, T. A., Titus, K., & Servheen, C. (1996). Use of stable isotopes to determine diets of living and extinct bears.Canadian Journal of Zoology,74(11), 2080-2088." Ursus_americanus terrestrial mammalia blood omnivore -21.5 6.3 1.7 4 "Hilderbrand, G. V., Farley, S. D., Robbins, C. T., Hanley, T. A., Titus, K., & Servheen, C. (1996). Use of stable isotopes to determine diets of living and extinct bears.Canadian Journal of Zoology,74(11), 2080-2088." Vulpes_vulpes terrestrial mammalia blood pellet -18.7 4.9 0.6 4.2 "Roth, J. D., & Hobson, K. A. (2000). Stable carbon and nitrogen isotopic fractionation between diet and tissue of captive red fox: implications for dietary reconstruction.Canadian Journal of zoology,78(5), 848-852." Vulpes_vulpes terrestrial mammalia blood pellet -18.7 4.9 0.7 2.6 "Roth, J. D., & Hobson, K. A. (2000). Stable carbon and nitrogen isotopic fractionation between diet and tissue of captive red fox: implications for dietary reconstruction.Canadian Journal of zoology,78(5), 848-852." Vulpes_vulpes terrestrial mammalia liver pellet -18.7 4.9 0.4 3.6 "Roth, J. D., & Hobson, K. A. (2000). Stable carbon and nitrogen isotopic fractionation between diet and tissue of captive red fox: implications for dietary reconstruction.Canadian Journal of zoology,78(5), 848-852." Vulpes_vulpes terrestrial mammalia muscle pellet -18.7 4.9 1.1 3.6 "Roth, J. D., & Hobson, K. A. (2000). Stable carbon and nitrogen isotopic fractionation between diet and tissue of captive red fox: implications for dietary reconstruction.Canadian Journal of zoology,78(5), 848-852." Vulpes_vulpes terrestrial mammalia hair pellet -18.7 4.9 2.6 3.4 "Roth, J. D., & Hobson, K. A. (2000). Stable carbon and nitrogen isotopic fractionation between diet and tissue of captive red fox: implications for dietary reconstruction.Canadian Journal of zoology,78(5), 848-852." Callorhinus_ursinus marine mammalia blood carnivore -18.9 11.6 0.2 3.9 "Kurle, C. M. (2002). Stable-isotope ratios of blood components from captive northern fur seals (Callorhinus ursinus) and their diet: applications for studying the foraging ecology of wild otariids.Canadian Journal of Zoology,80(5), 902-909." Callorhinus_ursinus marine mammalia blood carnivore -18.9 11.6 1 5.2 "Kurle, C. M. (2002). Stable-isotope ratios of blood components from captive northern fur seals (Callorhinus ursinus) and their diet: applications for studying the foraging ecology of wild otariids.Canadian Journal of Zoology,80(5), 902-909." Halichoerus_grypus marine mammalia blood carnivore -19.5 13.3 0.5 2.9 "Lesage, V., Hammill, M.O. & Kovacs, K.M. (2002) Diet-tissue fractionation of stable carbon and nitrogen isotopes in phocid seals. Marine Mammal Science, 18, 182-19" Halichoerus_grypus marine mammalia blood carnivore -19.5 13.3 1.2 1.6 "Lesage, V., Hammill, M.O. & Kovacs, K.M. (2002) Diet-tissue fractionation of stable carbon and nitrogen isotopes in phocid seals. Marine Mammal Science, 18, 182-19" Halichoerus_grypus marine mammalia blood carnivore -19.7 14.1 0.8 3.3 "Lesage, V., Hammill, M.O. & Kovacs, K.M. (2002) Diet-tissue fractionation of stable carbon and nitrogen isotopes in phocid seals. Marine Mammal Science, 18, 182-19" Halichoerus_grypus marine mammalia blood carnivore -19.7 14.1 1.7 1.7 "Lesage, V., Hammill, M.O. & Kovacs, K.M. (2002) Diet-tissue fractionation of stable carbon and nitrogen isotopes in phocid seals. Marine Mammal Science, 18, 182-19" Phoca_vitulina marine mammalia blood carnivore -19.6 13.3 1.1 3.2 "Lesage, V., Hammill, M.O. & Kovacs, K.M. (2002) Diet-tissue fractionation of stable carbon and nitrogen isotopes in phocid seals. Marine Mammal Science, 18, 182-19" Phoca_vitulina marine mammalia blood carnivore -19.6 13.3 1.5 1.7 "Lesage, V., Hammill, M.O. & Kovacs, K.M. (2002) Diet-tissue fractionation of stable carbon and nitrogen isotopes in phocid seals. Marine Mammal Science, 18, 182-19" Phoca_vitulina marine mammalia hair carnivore -19.6 13.3 2.3 2.3 "Lesage, V., Hammill, M.O. & Kovacs, K.M. (2002) Diet-tissue fractionation of stable carbon and nitrogen isotopes in phocid seals. Marine Mammal Science, 18, 182-19" Phoca_vitulina marine mammalia blood carnivore -20 12.9 0.7 2.7 "Lesage, V., Hammill, M.O. & Kovacs, K.M. (2002) Diet-tissue fractionation of stable carbon and nitrogen isotopes in phocid seals. Marine Mammal Science, 18, 182-19" Phoca_vitulina marine mammalia blood carnivore -20 12.9 1.1 2 "Lesage, V., Hammill, M.O. & Kovacs, K.M. (2002) Diet-tissue fractionation of stable carbon and nitrogen isotopes in phocid seals. Marine Mammal Science, 18, 182-19" Phoca_vitulina marine mammalia blood carnivore -19.4 14.4 0.5 3 "Lesage, V., Hammill, M.O. & Kovacs, K.M. (2002) Diet-tissue fractionation of stable carbon and nitrogen isotopes in phocid seals. Marine Mammal Science, 18, 182-19" Phoca_vitulina marine mammalia blood carnivore -19.4 14.4 1.4 1.4 "Lesage, V., Hammill, M.O. & Kovacs, K.M. (2002) Diet-tissue fractionation of stable carbon and nitrogen isotopes in phocid seals. Marine Mammal Science, 18, 182-19" Pagophilus_groenlandicus marine mammalia blood carnivore -19.9 13.9 1 3.6 "Lesage, V., Hammill, M.O. & Kovacs, K.M. (2002) Diet-tissue fractionation of stable carbon and nitrogen isotopes in phocid seals. Marine Mammal Science, 18, 182-19" Pagophilus_groenlandicus marine mammalia blood carnivore -19.9 13.9 1.9 2 "Lesage, V., Hammill, M.O. & Kovacs, K.M. (2002) Diet-tissue fractionation of stable carbon and nitrogen isotopes in phocid seals. Marine Mammal Science, 18, 182-19" Ursus_arctos terrestrial mammalia blood carnivore -20.1 11.2 0.1 3.8 "Felicetti, L. A., Schwartz, C. C., Rye, R. O., Haroldson, M. A., Gunther, K. A., Phillips, D. L., & Robbins, C. T. (2003). Use of sulfur and nitrogen stable isotopes to determine the importance of whitebark pine nuts to Yellowstone grizzly bears.Canadian Journal of Zoology,81(5), 763-770." Ursus_arctos terrestrial mammalia blood herbivore -26.7 0.7 4.5 6.3 "Felicetti, L. A., Schwartz, C. C., Rye, R. O., Haroldson, M. A., Gunther, K. A., Phillips, D. L., & Robbins, C. T. (2003). Use of sulfur and nitrogen stable isotopes to determine the importance of whitebark pine nuts to Yellowstone grizzly bears.Canadian Journal of Zoology,81(5), 763-770." Ursus_arctos terrestrial mammalia blood pellet -19 3.8 0.4 6.2 "Felicetti, L. A., Schwartz, C. C., Rye, R. O., Haroldson, M. A., Gunther, K. A., Phillips, D. L., & Robbins, C. T. (2003). Use of sulfur and nitrogen stable isotopes to determine the importance of whitebark pine nuts to Yellowstone grizzly bears.Canadian Journal of Zoology,81(5), 763-770." Ursus_arctos terrestrial mammalia blood pellet -22.2 2.3 1 6.2 "Felicetti, L. A., Schwartz, C. C., Rye, R. O., Haroldson, M. A., Gunther, K. A., Phillips, D. L., & Robbins, C. T. (2003). Use of sulfur and nitrogen stable isotopes to determine the importance of whitebark pine nuts to Yellowstone grizzly bears.Canadian Journal of Zoology,81(5), 763-770." Ursus_arctos terrestrial mammalia blood pellet -22.8 3.6 2.4 5.4 "Felicetti, L. A., Schwartz, C. C., Rye, R. O., Haroldson, M. A., Gunther, K. A., Phillips, D. L., & Robbins, C. T. (2003). Use of sulfur and nitrogen stable isotopes to determine the importance of whitebark pine nuts to Yellowstone grizzly bears.Canadian Journal of Zoology,81(5), 763-770." Sus_scrofa terrestrial mammalia collagen omnivore -24.7 NA 4.1 NA "Howland, M.R., Corr, L.T., Young, S.M., Jones, V., Jim, S., Van Der Merwe, N.J., Mitchell, A.D. and Evershed, R.P. (2003). Expression of the dietary isotope signal in the compound_specific _13C values of pig bone lipids and amino acids.International Journal of Osteoarchaeology,13(1_2), pp.54-65." Sus_scrofa terrestrial mammalia collagen omnivore -20.5 NA 1.8 NA "Howland, M.R., Corr, L.T., Young, S.M., Jones, V., Jim, S., Van Der Merwe, N.J., Mitchell, A.D. and Evershed, R.P. (2003). Expression of the dietary isotope signal in the compound_specific _13C values of pig bone lipids and amino acids.International Journal of Osteoarchaeology,13(1_2), pp.54-65." Sus_scrofa terrestrial mammalia collagen omnivore -18 NA 1.1 NA "Howland, M.R., Corr, L.T., Young, S.M., Jones, V., Jim, S., Van Der Merwe, N.J., Mitchell, A.D. and Evershed, R.P. (2003). Expression of the dietary isotope signal in the compound_specific _13C values of pig bone lipids and amino acids.International Journal of Osteoarchaeology,13(1_2), pp.54-65." Sus_scrofa terrestrial mammalia collagen omnivore -15.9 NA 0.5 NA "Howland, M.R., Corr, L.T., Young, S.M., Jones, V., Jim, S., Van Der Merwe, N.J., Mitchell, A.D. and Evershed, R.P. (2003). Expression of the dietary isotope signal in the compound_specific _13C values of pig bone lipids and amino acids.International Journal of Osteoarchaeology,13(1_2), pp.54-65." Sus_scrofa terrestrial mammalia collagen omnivore -25.7 NA 6.1 NA "Howland, M.R., Corr, L.T., Young, S.M., Jones, V., Jim, S., Van Der Merwe, N.J., Mitchell, A.D. and Evershed, R.P. (2003). Expression of the dietary isotope signal in the compound_specific _13C values of pig bone lipids and amino acids.International Journal of Osteoarchaeology,13(1_2), pp.54-65." Sus_scrofa terrestrial mammalia collagen omnivore -15.5 NA 4 NA "Howland, M.R., Corr, L.T., Young, S.M., Jones, V., Jim, S., Van Der Merwe, N.J., Mitchell, A.D. and Evershed, R.P. (2003). Expression of the dietary isotope signal in the compound_specific _13C values of pig bone lipids and amino acids.International Journal of Osteoarchaeology,13(1_2), pp.54-65." Equus_caballus terrestrial mammalia hair herbivore NA 0.1 NA 4.5 "Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J. (2003). Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J., 2003. Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver " Bos_taurus terrestrial mammalia hair herbivore NA 0.1 NA 4 "Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J. (2003). Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J., 2003. Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver " Capra_hircus terrestrial mammalia hair herbivore NA 0.1 NA 5.1 "Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J. (2003). Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J., 2003. Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver " Vicugna_vicugna terrestrial mammalia hair herbivore NA 0.1 NA 6.4 "Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J. (2003). Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J., 2003. Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver " Lama_glama terrestrial mammalia hair herbivore NA 0.1 NA 4.6 "Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J. (2003). Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J., 2003. Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver " Oryctolagus_cuniculus terrestrial mammalia hair herbivore NA 0.1 NA 2.4 "Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J. (2003). Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J., 2003. Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver " Vicugna_vicugna terrestrial mammalia hair herbivore NA 7.8 NA 3.6 "Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J. (2003). Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J., 2003. Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver " Capra_hircus terrestrial mammalia hair herbivore NA 7.8 NA 2.7 "Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J. (2003). Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J., 2003. Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver " Bos_taurus terrestrial mammalia hair herbivore NA 7.8 NA 2.5 "Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J. (2003). Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J., 2003. Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver " Equus_caballus terrestrial mammalia hair herbivore NA 7.8 NA 2 "Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J. (2003). Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J., 2003. Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver " Bos_taurus terrestrial mammalia hair herbivore -27 NA 2.7 NA "Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J. (2003). Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J., 2003. Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver " Lama_pacos terrestrial mammalia hair herbivore -27 NA 3.2 NA "Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J. (2003). Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J., 2003. Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver " Capra_hircus terrestrial mammalia hair herbivore -27 NA 3.2 NA "Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J. (2003). Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J., 2003. Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver " Oryctolagus_cuniculus terrestrial mammalia hair herbivore -27 NA 3.4 NA "Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J. (2003). Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J., 2003. Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver " Lama_glama terrestrial mammalia hair herbivore -27 NA 3.5 NA "Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J. (2003). Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver Sponheimer, M., Robinson, T., Ayliffe, L., Roeder, B., Hammer, J., Passey, B., West, A., Cerling, T., Dearing, D. and Ehleringer, J., 2003. Nitrogen isotopes in mammalian herbivores: hair _15N values from a controlled feeding study. International Journal of Osteoarchaeology, 13(1_2), pp.80-87. Vancouver " Mus_sp terrestrial mammalia blood pellet -20.5 2.8 1.4 2.7 "Arneson, L. S., & MacAvoy, S. E. (2005). Carbon, nitrogen, and sulfur diettissue discrimination in mouse tissues.Canadian Journal of Zoology,83(7), 989-995." Mus_sp terrestrial mammalia blood pellet -26.5 6.1 1.4 3.2 "Arneson, L. S., & MacAvoy, S. E. (2005). Carbon, nitrogen, and sulfur diettissue discrimination in mouse tissues.Canadian Journal of Zoology,83(7), 989-995." Mus_sp terrestrial mammalia blood pellet -14.8 9.1 -1.9 2.9 "Arneson, L. S., & MacAvoy, S. E. (2005). Carbon, nitrogen, and sulfur diettissue discrimination in mouse tissues.Canadian Journal of Zoology,83(7), 989-995." Mus_sp terrestrial mammalia liver pellet -20.5 2.8 0.7 4.3 "Arneson, L. S., & MacAvoy, S. E. (2005). Carbon, nitrogen, and sulfur diettissue discrimination in mouse tissues.Canadian Journal of Zoology,83(7), 989-995." Mus_sp terrestrial mammalia liver pellet -26.5 6.1 1.2 4.7 "Arneson, L. S., & MacAvoy, S. E. (2005). Carbon, nitrogen, and sulfur diettissue discrimination in mouse tissues.Canadian Journal of Zoology,83(7), 989-995." Mus_sp terrestrial mammalia liver pellet -14.8 9.1 -2.2 3.8 "Arneson, L. S., & MacAvoy, S. E. (2005). Carbon, nitrogen, and sulfur diettissue discrimination in mouse tissues.Canadian Journal of Zoology,83(7), 989-995." Mus_sp terrestrial mammalia muscle pellet -20.5 2.8 1.2 3.1 "Arneson, L. S., & MacAvoy, S. E. (2005). Carbon, nitrogen, and sulfur diettissue discrimination in mouse tissues.Canadian Journal of Zoology,83(7), 989-995." Mus_sp terrestrial mammalia muscle pellet -26.5 6.1 1.5 3.1 "Arneson, L. S., & MacAvoy, S. E. (2005). Carbon, nitrogen, and sulfur diettissue discrimination in mouse tissues.Canadian Journal of Zoology,83(7), 989-995." Mus_sp terrestrial mammalia muscle pellet -14.8 9.1 -2.1 2 "Arneson, L. S., & MacAvoy, S. E. (2005). Carbon, nitrogen, and sulfur diettissue discrimination in mouse tissues.Canadian Journal of Zoology,83(7), 989-995." Rattus_sp terrestrial mammalia muscle pellet -15.67 10.93 -1.69 1.39 "Caut, S., Angulo, E., & Courchamp, F. (2009). Variation in discrimination factors (_15N and _13C): the effect of diet isotopic values and applications for diet reconstruction.Journal of Applied Ecology,46(2), 443-453." Rattus_sp terrestrial mammalia muscle pellet -12.6 4.46 -5.12 1.73 "Caut, S., Angulo, E., & Courchamp, F. (2009). Variation in discrimination factors (_15N and _13C): the effect of diet isotopic values and applications for diet reconstruction.Journal of Applied Ecology,46(2), 443-453." Rattus_sp terrestrial mammalia muscle pellet -22.58 -0.78 -0.4 4.59 "Caut, S., Angulo, E., & Courchamp, F. (2009). Variation in discrimination factors (_15N and _13C): the effect of diet isotopic values and applications for diet reconstruction.Journal of Applied Ecology,46(2), 443-453." Rattus_sp terrestrial mammalia muscle pellet -13.79 9.12 -3.05 1.14 "Caut, S., Angulo, E., & Courchamp, F. (2009). Variation in discrimination factors (_15N and _13C): the effect of diet isotopic values and applications for diet reconstruction.Journal of Applied Ecology,46(2), 443-453." Rattus_sp terrestrial mammalia muscle pellet -18.63 7.89 -0.88 1.5 "Caut, S., Angulo, E., & Courchamp, F. (2009). Variation in discrimination factors (_15N and _13C): the effect of diet isotopic values and applications for diet reconstruction.Journal of Applied Ecology,46(2), 443-453." Rattus_sp terrestrial mammalia muscle pellet -18.05 1.35 -1.93 4 "Caut, S., Angulo, E., & Courchamp, F. (2009). Variation in discrimination factors (_15N and _13C): the effect of diet isotopic values and applications for diet reconstruction.Journal of Applied Ecology,46(2), 443-453." Rattus_sp terrestrial mammalia muscle pellet -16.6 6.87 -2.1 1.89 "Caut, S., Angulo, E., & Courchamp, F. (2009). Variation in discrimination factors (_15N and _13C): the effect of diet isotopic values and applications for diet reconstruction.Journal of Applied Ecology,46(2), 443-453." Rattus_sp terrestrial mammalia liver pellet -15.67 10.93 -1.65 1.12 "Caut, S., Angulo, E., & Courchamp, F. (2009). Variation in discrimination factors (_15N and _13C): the effect of diet isotopic values and applications for diet reconstruction.Journal of Applied Ecology,46(2), 443-453." Rattus_sp terrestrial mammalia liver pellet -12.6 4.46 -2.81 2.33 "Caut, S., Angulo, E., & Courchamp, F. (2009). Variation in discrimination factors (_15N and _13C): the effect of diet isotopic values and applications for diet reconstruction.Journal of Applied Ecology,46(2), 443-453." Rattus_sp terrestrial mammalia liver pellet -22.58 -0.78 0.64 4.55 "Caut, S., Angulo, E., & Courchamp, F. (2009). Variation in discrimination factors (_15N and _13C): the effect of diet isotopic values and applications for diet reconstruction.Journal of Applied Ecology,46(2), 443-453." Rattus_sp terrestrial mammalia liver pellet -13.79 9.12 -2.73 2.01 "Caut, S., Angulo, E., & Courchamp, F. (2009). Variation in discrimination factors (_15N and _13C): the effect of diet isotopic values and applications for diet reconstruction.Journal of Applied Ecology,46(2), 443-453." Rattus_sp terrestrial mammalia liver pellet -18.63 7.89 -0.9 2.62 "Caut, S., Angulo, E., & Courchamp, F. (2009). Variation in discrimination factors (_15N and _13C): the effect of diet isotopic values and applications for diet reconstruction.Journal of Applied Ecology,46(2), 443-453." Rattus_sp terrestrial mammalia liver pellet -18.05 1.35 -0.76 4.3 "Caut, S., Angulo, E., & Courchamp, F. (2009). Variation in discrimination factors (_15N and _13C): the effect of diet isotopic values and applications for diet reconstruction.Journal of Applied Ecology,46(2), 443-453." Rattus_sp terrestrial mammalia liver pellet -16.6 6.87 -1.54 2.4 "Caut, S., Angulo, E., & Courchamp, F. (2009). Variation in discrimination factors (_15N and _13C): the effect of diet isotopic values and applications for diet reconstruction.Journal of Applied Ecology,46(2), 443-453." Rattus_sp terrestrial mammalia hair pellet -15.67 10.93 -2.1 -1.46 "Caut, S., Angulo, E., & Courchamp, F. (2009). Variation in discrimination factors (_15N and _13C): the effect of diet isotopic values and applications for diet reconstruction.Journal of Applied Ecology,46(2), 443-453." Rattus_sp terrestrial mammalia hair pellet -12.6 4.46 -8.79 -0.89 "Caut, S., Angulo, E., & Courchamp, F. (2009). Variation in discrimination factors (_15N and _13C): the effect of diet isotopic values and applications for diet reconstruction.Journal of Applied Ecology,46(2), 443-453." Rattus_sp terrestrial mammalia hair pellet -22.58 -0.78 -0.58 4.05 "Caut, S., Angulo, E., & Courchamp, F. (2009). Variation in discrimination factors (_15N and _13C): the effect of diet isotopic values and applications for diet reconstruction.Journal of Applied Ecology,46(2), 443-453." Rattus_sp terrestrial mammalia hair pellet -13.79 9.12 -4.22 -0.95 "Caut, S., Angulo, E., & Courchamp, F. (2009). Variation in discrimination factors (_15N and _13C): the effect of diet isotopic values and applications for diet reconstruction.Journal of Applied Ecology,46(2), 443-453." Rattus_sp terrestrial mammalia hair pellet -18.63 7.89 -0.64 -0.97 "Caut, S., Angulo, E., & Courchamp, F. (2009). Variation in discrimination factors (_15N and _13C): the effect of diet isotopic values and applications for diet reconstruction.Journal of Applied Ecology,46(2), 443-453." Rattus_sp terrestrial mammalia hair pellet -18.05 1.35 -4.23 2.09 "Caut, S., Angulo, E., & Courchamp, F. (2009). Variation in discrimination factors (_15N and _13C): the effect of diet isotopic values and applications for diet reconstruction.Journal of Applied Ecology,46(2), 443-453." Rattus_sp terrestrial mammalia hair pellet -16.6 6.87 -2.55 -0.28 "Caut, S., Angulo, E., & Courchamp, F. (2009). Variation in discrimination factors (_15N and _13C): the effect of diet isotopic values and applications for diet reconstruction.Journal of Applied Ecology,46(2), 443-453." Phalacrocorax_carbo marine aves feather carnivore -20.2 9.5 3.6 3.6 "Mizutani, H., Kabaya, Y., and Wada E. (1991). Nitrogen and Carbon Isotope Compositions relate linearly in Cormorant Tissues and its Diet. Isotopenpraxis Isotopes in Environmental and Health Studies 27(4): 166-168." Phalacrocorax_carbo marine aves muscle carnivore -20.2 9.5 2.1 2.4 "Mizutani, H., Kabaya, Y., and Wada E. (1991). Nitrogen and Carbon Isotope Compositions relate linearly in Cormorant Tissues and its Diet. Isotopenpraxis Isotopes in Environmental and Health Studies 27(4): 166-168." Phalacrocorax_carbo marine aves liver carnivore -20.2 9.5 1.3 2.3 "Mizutani, H., Kabaya, Y., and Wada E. (1991). Nitrogen and Carbon Isotope Compositions relate linearly in Cormorant Tissues and its Diet. Isotopenpraxis Isotopes in Environmental and Health Studies 27(4): 166-168." Gallus_gallus terrestrial aves liver pellet -19.9 4.7 0.4 1.7 "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Gallus_gallus terrestrial aves muscle pellet -19.9 4.7 0.3 0.2 "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Gallus_gallus terrestrial aves collagen pellet -19.9 4.7 0.8 1.5 "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Gallus_gallus terrestrial aves feather pellet -19.9 4.7 -0.4 1.1 "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Coturnix_japonica terrestrial aves blood pellet -24.3 5.5 1.2 2.2 "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Coturnix_japonica terrestrial aves liver pellet -24.3 5.5 0.2 2.3 "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Coturnix_japonica terrestrial aves muscle pellet -24.3 5.5 1.1 1 "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Coturnix_japonica terrestrial aves collagen pellet -24.3 5.5 2.7 2.5 "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Coturnix_japonica terrestrial aves feather pellet -24.3 5.5 1.4 1.6 "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Larus_delawarensis marine aves blood carnivore -24.3 14.2 -0.3 3.1 "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Larus_delawarensis marine aves liver carnivore -24.3 14.2 -0.4 2.7 "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Larus_delawarensis marine aves muscle carnivore -24.3 14.2 0.3 1.4 "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Larus_delawarensis marine aves collagen carnivore -24.3 14.2 2.6 3.1 "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Larus_delawarensis marine aves feather carnivore -24.3 14.2 0.2 3 "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Coturnix_japonica terrestrial aves blood herbivore -19.5 NA -0.9 NA "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Coturnix_japonica terrestrial aves liver herbivore -19.5 NA -1 NA "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Coturnix_japonica terrestrial aves muscle herbivore -19.5 NA 0 NA "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Coturnix_japonica terrestrial aves collagen herbivore -19.5 NA -0.3 NA "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Coturnix_japonica terrestrial aves blood herbivore -24.1 NA 0.5 NA "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Coturnix_japonica terrestrial aves liver herbivore -24.1 NA 0.9 NA "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Coturnix_japonica terrestrial aves muscle herbivore -24.1 NA 0.6 NA "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Coturnix_japonica terrestrial aves collagen herbivore -24.1 NA 3 NA "Hobson, K. A., & Clark, R. G. (1992). Assessing avian diets using stable isotopes II: factors influencing diet-tissue fractionation.Condor, 189-197." Larus_heermanni marine aves feather carnivore -18.3 9.7 3.6 5.3 "Mizutani, H., Fukuda, M., Kabaya, Y. (1992). d13C and d15N enrichment factors of feathers of 11 species of adult birds. Ecology 73, 1391-1395. (doi:10.2307/1940684)" Nicticorax_sp marine aves feather carnivore -18.3 9.7 3.2 4.2 "Mizutani, H., Fukuda, M., Kabaya, Y. (1992). d13C and d15N enrichment factors of feathers of 11 species of adult birds. Ecology 73, 1391-1395. (doi:10.2307/1940684)" Casmerodius_albus marine aves feather carnivore -18.3 9.7 3.1 3.9 "Mizutani, H., Fukuda, M., Kabaya, Y. (1992). d13C and d15N enrichment factors of feathers of 11 species of adult birds. Ecology 73, 1391-1395. (doi:10.2307/1940684)" Ardea_cinerea marine aves feather carnivore -18.3 9.7 3.4 4.3 "Mizutani, H., Fukuda, M., Kabaya, Y. (1992). d13C and d15N enrichment factors of feathers of 11 species of adult birds. Ecology 73, 1391-1395. (doi:10.2307/1940684)" Spheniscus_humboldti marine aves feather carnivore -18.8 7.8 2.9 4.8 "Mizutani, H., Fukuda, M., Kabaya, Y. (1992). d13C and d15N enrichment factors of feathers of 11 species of adult birds. Ecology 73, 1391-1395. (doi:10.2307/1940684)" Phalacrocorax_carbo marine aves feather carnivore -20.1 9.5 3.8 3.7 "Mizutani, H., Fukuda, M., Kabaya, Y. (1992). d13C and d15N enrichment factors of feathers of 11 species of adult birds. Ecology 73, 1391-1395. (doi:10.2307/1940684)" Eudocimus_ruber marine aves feather omnivore -23.2 3.5 3.8 4.5 "Mizutani, H., Fukuda, M., Kabaya, Y. (1992). d13C and d15N enrichment factors of feathers of 11 species of adult birds. Ecology 73, 1391-1395. (doi:10.2307/1940684)" Eudocimus_albus marine aves feather omnivore -22.4 3.6 2.5 4.3 "Mizutani, H., Fukuda, M., Kabaya, Y. (1992). d13C and d15N enrichment factors of feathers of 11 species of adult birds. Ecology 73, 1391-1395. (doi:10.2307/1940684)" Phoenicopterus_chilensis marine aves feather omnivore -22.1 2.9 3.6 5.6 "Mizutani, H., Fukuda, M., Kabaya, Y. (1992). d13C and d15N enrichment factors of feathers of 11 species of adult birds. Ecology 73, 1391-1395. (doi:10.2307/1940684)" Phalacrocorax_aristotelis marine aves feather carnivore -17.5 11.5 2.6 4.9 "Bearhop, S., Thompson, D. R., Waldron, S., Russell, I., Alexander, G., & Furness, R. W. (1999). Stable isotopes indicate the extent of freshwater feeding by cormorants Phalacrocorax carbo shot at inland fisheries in England.Journal of Applied Ecology,36(1), 75-84." Aythya_valisineria marine aves blood omnivore -23.99 4.07 1.45 2.98 "Haramis, G. M., Jorde, D. G., Macko, S. A., & Walker, J. L. (2001). Stable-isotope analysis of Canvasback winter diet in upper Chesapeake Bay.The Auk,118(4), 1008-1017." Sylvia_borin terrestrial aves blood pellet -25.8 6.5 1.7 2.4 "Hobson, K. A., & Bairlein, F. (2003). Isotopic fractionation and turnover in captive Garden Warblers (Sylvia borin): implications for delineating dietary and migratory associations in wild passerines.Canadian Journal of Zoology,81(9), 1630-1635." Sylvia_borin terrestrial aves feather pellet -25.8 6.5 2.7 4 "Hobson, K. A., & Bairlein, F. (2003). Isotopic fractionation and turnover in captive Garden Warblers (Sylvia borin): implications for delineating dietary and migratory associations in wild passerines.Canadian Journal of Zoology,81(9), 1630-1635." Dendroica_coronata terrestrial aves blood omnivore -24.94 6.17 -1.5 2.5 "Pearson, S. F., Levey, D. J., Greenberg, C. H., & Del Rio, C. M. (2003). Effects of elemental composition on the incorporation of dietary nitrogen and carbon isotopic signatures in an omnivorous songbird.Oecologia,135(4), 516-523." Dendroica_coronata terrestrial aves blood omnivore -26.74 6.12 -0.2 2.6 "Pearson, S. F., Levey, D. J., Greenberg, C. H., & Del Rio, C. M. (2003). Effects of elemental composition on the incorporation of dietary nitrogen and carbon isotopic signatures in an omnivorous songbird.Oecologia,135(4), 516-523." Dendroica_coronata terrestrial aves blood omnivore -27.25 6.01 0.2 2.8 "Pearson, S. F., Levey, D. J., Greenberg, C. H., & Del Rio, C. M. (2003). Effects of elemental composition on the incorporation of dietary nitrogen and carbon isotopic signatures in an omnivorous songbird.Oecologia,135(4), 516-523." Dendroica_coronata terrestrial aves blood omnivore -27.9 6.07 0.61 2.9 "Pearson, S. F., Levey, D. J., Greenberg, C. H., & Del Rio, C. M. (2003). Effects of elemental composition on the incorporation of dietary nitrogen and carbon isotopic signatures in an omnivorous songbird.Oecologia,135(4), 516-523." Dendroica_coronata terrestrial aves blood omnivore -24.94 6.17 -1.2 1.7 "Pearson, S. F., Levey, D. J., Greenberg, C. H., & Del Rio, C. M. (2003). Effects of elemental composition on the incorporation of dietary nitrogen and carbon isotopic signatures in an omnivorous songbird.Oecologia,135(4), 516-523." Dendroica_coronata terrestrial aves blood omnivore -26.74 6.12 1.5 1.8 "Pearson, S. F., Levey, D. J., Greenberg, C. H., & Del Rio, C. M. (2003). Effects of elemental composition on the incorporation of dietary nitrogen and carbon isotopic signatures in an omnivorous songbird.Oecologia,135(4), 516-523." Dendroica_coronata terrestrial aves blood omnivore -27.25 6.01 1.8 NA "Pearson, S. F., Levey, D. J., Greenberg, C. H., & Del Rio, C. M. (2003). Effects of elemental composition on the incorporation of dietary nitrogen and carbon isotopic signatures in an omnivorous songbird.Oecologia,135(4), 516-523." Dendroica_coronata terrestrial aves blood omnivore -27.9 6.07 2.2 2.7 "Pearson, S. F., Levey, D. J., Greenberg, C. H., & Del Rio, C. M. (2003). Effects of elemental composition on the incorporation of dietary nitrogen and carbon isotopic signatures in an omnivorous songbird.Oecologia,135(4), 516-523." Buteo_rufinus terrestrial aves muscle carnivore -25.97 5.81 1.03 2.11 "Li, L. X., Yi, X. F., Li, M. C., & Zhang, X. A. (2004). Analysis of diets of upland buzzards using stable carbon and nitrogen isotopes.Israel Journal of Zoology,50(1), 75-85." Calidris_alpina marine aves muscle omnivore -24.7 3.5 1.9 3.1 "Ogden, L. J. E., Hobson, K. A., & Lank, D. B. (2004). Blood isotopic (_13C and _15N) turnover and diet-tissue fractionation factors in captive dunlin (Calidris alpina pacifica).The Auk,121(1), 170-177." Calidris_alpina marine aves liver omnivore -24.7 3.5 1.1 4 "Ogden, L. J. E., Hobson, K. A., & Lank, D. B. (2004). Blood isotopic (_13C and _15N) turnover and diet-tissue fractionation factors in captive dunlin (Calidris alpina pacifica).The Auk,121(1), 170-177." Calidris_alpina marine aves blood omnivore -24.7 3.5 1.5 3 "Ogden, L. J. E., Hobson, K. A., & Lank, D. B. (2004). Blood isotopic (_13C and _15N) turnover and diet-tissue fractionation factors in captive dunlin (Calidris alpina pacifica).The Auk,121(1), 170-177." Calidris_alpina marine aves blood omnivore -24.7 3.5 0.5 3.3 "Ogden, L. J. E., Hobson, K. A., & Lank, D. B. (2004). Blood isotopic (_13C and _15N) turnover and diet-tissue fractionation factors in captive dunlin (Calidris alpina pacifica).The Auk,121(1), 170-177." Calidris_alpina marine aves blood omnivore -24.7 3.5 1.3 2.9 "Ogden, L. J. E., Hobson, K. A., & Lank, D. B. (2004). Blood isotopic (_13C and _15N) turnover and diet-tissue fractionation factors in captive dunlin (Calidris alpina pacifica).The Auk,121(1), 170-177." Calidris_alpina marine aves blood carnivore -18.3 13.7 1.1 3.2 "Ogden, L. J. E., Hobson, K. A., & Lank, D. B. (2004). Blood isotopic (_13C and _15N) turnover and diet-tissue fractionation factors in captive dunlin (Calidris alpina pacifica).The Auk,121(1), 170-177." Aptenodytes_patagonicus marine aves blood carnivore -18.2 12.6 -0.81 2.07 "Cherel, Y., Hobson, K. A., & Hassani, S. (2005). Isotopic discrimination between food and blood and feathers of captive penguins: implications for dietary studies in the wild.Physiological and Biochemical Zoology,78(1), 106-115." Aptenodytes_patagonicus marine aves blood carnivore -18.4 13.4 -0.61 1.23 "Cherel, Y., Hobson, K. A., & Hassani, S. (2005). Isotopic discrimination between food and blood and feathers of captive penguins: implications for dietary studies in the wild.Physiological and Biochemical Zoology,78(1), 106-115." Aptenodytes_patagonicus marine aves feather carnivore -18.2 12.6 0.07 3.49 "Cherel, Y., Hobson, K. A., & Hassani, S. (2005). Isotopic discrimination between food and blood and feathers of captive penguins: implications for dietary studies in the wild.Physiological and Biochemical Zoology,78(1), 106-115." Aptenodytes_patagonicus marine aves feather carnivore -18.4 13.4 0.26 2.65 "Cherel, Y., Hobson, K. A., & Hassani, S. (2005). Isotopic discrimination between food and blood and feathers of captive penguins: implications for dietary studies in the wild.Physiological and Biochemical Zoology,78(1), 106-115." Eudyptes_chrysocome marine aves blood carnivore -19.5 10.5 0.02 2.72 "Cherel, Y., Hobson, K. A., & Hassani, S. (2005). Isotopic discrimination between food and blood and feathers of captive penguins: implications for dietary studies in the wild.Physiological and Biochemical Zoology,78(1), 106-115." Eudyptes_chrysocome marine aves blood carnivore -19.9 11.4 0.46 1.86 "Cherel, Y., Hobson, K. A., & Hassani, S. (2005). Isotopic discrimination between food and blood and feathers of captive penguins: implications for dietary studies in the wild.Physiological and Biochemical Zoology,78(1), 106-115." Eudyptes_chrysocome marine aves feather carnivore -19.5 10.5 0.11 4.4 "Cherel, Y., Hobson, K. A., & Hassani, S. (2005). Isotopic discrimination between food and blood and feathers of captive penguins: implications for dietary studies in the wild.Physiological and Biochemical Zoology,78(1), 106-115." Eudyptes_chrysocome marine aves feather carnivore -19.9 11.4 0.55 3.53 "Cherel, Y., Hobson, K. A., & Hassani, S. (2005). Isotopic discrimination between food and blood and feathers of captive penguins: implications for dietary studies in the wild.Physiological and Biochemical Zoology,78(1), 106-115."