hourly visitation rate July 3, 2021 Lajoie, J. L., L. M. Gaino, and J. W. Rivers. 2021. Experimentally induced flight costs do not lead to increased reliance on supplemental food in winter by a small songbird. Journal of Avian Biology 00:1-13. https://doi.org/10.1111/jav.02782 Data for hourly visitation rate for each Black-capped Chickadee that was captured and tagged. Variables: trtmnt Handicapping treatment (Control, Light feather-clipping, Heavy feather-clipping) bird.id Individual bird identification number post.h.c.prd Post-handicapping time period (-1 = 20 days pre-handicapping [hc], 1 = 1-5 days post hc, 2 = 6-10 days post hc, 3 = 11-20 days post hc, 4 = 21-30 days post hc) bin.hr Hour since sunrise, with hours 0, 3, 6, 9, 12, and 13 removed (1.5 = 1-2 hours since sunrise, 4.5 = 4-5 hours since sunrise, 7.5 = 7-8 hours since sunrise, 10.5 = 10-11 hours since sunrise) bin.hr.ttl.vsts Total number of feeder visits within each period (post.h.c.prd) each bird visited any feeder during each group of binned hours (bin.hr) since sunrise bin.ttl.days Total number of days within each period (post.h.c.prd) each bird visited any feeder during each group of binned hours (bin.hr) since sunrise