Data used in: Barnett, J.B., Michalis, C., Scott-Samuel N.E., & Cuthill I.C. Distance-dependent defensive coloration in the poison frog Dendrobates tinctorius, Dendrobatidae. James B. Barnett, Constantine Michalis, Nicholas E. Scott-Samuel, & Innes C. Cuthill For further information contact: Innes C. Cuthill Email: i.cuthill@bristol.ac.uk ## SURVIVAL DATA Data file: survival_data.txt Format: tab-delimited text Column identification: frog_color: frog colour treatment (Y = plain yellow, C = brown-and-black, N = yellow-and-black) treatment: background type (NL = natural leaf litter, NS = natural soil, PL = printed leaf litter, PA = printed average) time: time since set up when stimulus was predated (24 to 96 hours) censor: 1 = full event (bird predation), 0 = censored event (non-avian predation, missing, damaged, or stimuli surviving to 96 h) block: transect number (1 to 12) ## VISUAL MODELLING DATA Data file: colourdata.txt Format: tab-delimited text Column identification: filename: name of original image file from which pixels were extracted objecttype: 1 = target (frog), 2 = background (leaf litter) H_L: human LMS luminance response per pixel at VERY HIGH resolution H_yb: human LMS yellow-blue opponent channel response per pixel at VERY HIGH resolution H_rg: human LMS red-green opponent channel response per pixel at VERY HIGH resolution H_f1o1: human LMS texture per pixel at VERY HIGH resolution, ORIENTATION 1 H_f1o2: human LMS texture per pixel at VERY HIGH resolution, ORIENTATION 2 H_f1o3: human LMS texture per pixel at VERY HIGH resolution, ORIENTATION 3 H_f1o4: human LMS texture per pixel at VERY HIGH resolution, ORIENTATION 4 H_f1o5: human LMS texture per pixel at VERY HIGH resolution, ORIENTATION 5 H_f1o6: human LMS texture per pixel at VERY HIGH resolution, ORIENTATION 6 H_f2o1: human LMS texture per pixel at HIGH resolution, ORIENTATION 1 H_f2o2: human LMS texture per pixel at HIGH resolution, ORIENTATION 2 H_f2o3: human LMS texture per pixel at HIGH resolution, ORIENTATION 3 H_f2o4: human LMS texture per pixel at HIGH resolution, ORIENTATION 4 H_f2o5: human LMS texture per pixel at HIGH resolution, ORIENTATION 5 H_f2o6: human LMS texture per pixel at HIGH resolution, ORIENTATION 6 H_f3o1: human LMS texture per pixel at MEDIUM resolution, ORIENTATION 1 H_f3o2: human LMS texture per pixel at MEDIUM resolution, ORIENTATION 2 H_f3o3: human LMS texture per pixel at MEDIUM resolution, ORIENTATION 3 H_f3o4: human LMS texture per pixel at MEDIUM resolution, ORIENTATION 4 H_f3o5: human LMS texture per pixel at MEDIUM resolution, ORIENTATION 5 H_f3o6: human LMS texture per pixel at MEDIUM resolution, ORIENTATION 6 H_f4o1: human LMS texture per pixel at LOW resolution, ORIENTATION 1 H_f4o2: human LMS texture per pixel at LOW resolution, ORIENTATION 2 H_f4o3: human LMS texture per pixel at LOW resolution, ORIENTATION 3 H_f4o4: human LMS texture per pixel at LOW resolution, ORIENTATION 4 H_f4o5: human LMS texture per pixel at LOW resolution, ORIENTATION 5 H_f4o6: human LMS texture per pixel at LOW resolution, ORIENTATION 6 H_L2: human LMS luminance response per pixel at HIGH resolution H_yb2: human LMS yellow-blue opponent channel response per pixel at HIGH resolution H_rg2: human LMS red-green opponent channel response per pixel at HIGH resolution H_L4: human LMS luminance response per pixel at MEDIUM resolution H_yb4: human LMS yellow-blue opponent channel response per pixel at MEDIUM resolution H_rg4: human LMS red-green opponent channel response per pixel at MEDIUM resolution H_L8: human LMS luminance response per pixel at LOW resolution H_yb8: human LMS yellow-blue opponent channel response per pixel at LOW resolution H_rg8: human LMS red-green opponent channel response per pixel at LOW resolution * Columns repeat for avian, mammal, and snake: Prefixes: "B_": avian "S_": snake "M_": mammal (* the dichromatic mammalian model lacks a rg channel *) ## DETECTION DATA Data file: survival_data.txt Format: tab-delimited text Column identification: trial: image presentation order (1 to 360 per subject) subject: human participant number (1 to 18) block: image set number (1 to 10 per subject) treatment: frog color treatments (A, B, C, D, E, F, G, H, I, J, K, L - see manuscript for details) distance: viewing condition (near = 100 cm photographs, medium = 150 cm photographs, far = 150 cm photographs with gaussian blur - see manuscript for details) RT: reaction time in seconds (time taken to click on the frog) hit: TRUE = correct click on frog, FALSE = incorrect click on frog or time out #####