Data used in: Barnett, J.B., Cuthill I.C., & Scott-Samuel N.E. Distance-dependent pattern blending can camouflage salient aposematic signals. James B. Barnett, Innes C. Cuthill, and Nicholas E. Scott-Samuel For further information contact: Nicholas Scott-Samuel Email: n.e.scott-samuel@bristol.ac.uk ## COLOUR DATA ## Data file: visual_model_data.txt Format: tab-delimited text Column identification: filename: name of original image file from which pixels were extracted objecttype: 1 = target (caterpillar), 2 = background treatment: stimuli designs (BP, GA, GP, GT, GM, GL, YA, YP, YT, YM, YL) H1_L: human luminance (L*a*b* colourspace) H1_a: human a (L*a*b* colourspace) H1_b: human b (L*a*b* colourspace) H1_L8: human luminance (L*a*b* colourspace) at low resolution H1_a8: human a (L*a*b* colourspace) at low resolution H1_b8: human b (L*a*b* colourspace) at low resolution H2_L: human luminance (LMS colourspace) H2_yb: human yellow-blue opponent channel (LMS colourspace) H2_rg: human red-green opponent channel (LMS colourspace) H2_L8: human luminance (LMS colourspace) at low resolution H2_yb8: human yellow-blue opponent channel (LMS colourspace) at low resolution H2_rg8: human red-green opponent channel (LMS colourspace) at low resolution B_L: avian luminance response per pixel B_yb: avian yellow-blue opponent channel response per pixel B_rg: avian red-green opponent channel response per pixel B_L8: avian luminance response per pixel at low resolution B_yb8: avian yellow-blue opponent channel response per pixel at low resolution B_rg8: avian red-green opponent channel response per pixel at low resolution ## SURVIVAL DATA ## Data file: survival_yellow.txt Format: tab-delimited text Column identification: Block: transect number (1 to 15) Treatment: stimuli designs (YA, YP, BP, YT, YM, YL) Number: within block number per treatment (10 per treatment per block) 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) Notes: cause of event Data file: survival_green.txt Format: tab-delimited text Column identification: Block: transect number (1 to 15) Treatment: stimuli designs (GA, GP, BP, GT, GM, GL) Number: within block number per treatment (10 per treatment per block) 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) Notes: cause of event. ## DETECTION DATA ## Data file: detection_yellow.txt Format: tab-delimited text Column identification: Subject: human participant number (1 to 10) Treatment: stimuli designs (YA, YP, BP, YT, YM, YL) Distance: viewing distance (6m, 10m, 15m) Correct: 1 = correctly identified, 0 = incorrectly identified Incorrect: 1 = incorrectly identified, 0 = correctly identified Data file: detection_green.txt Format: tab-delimited text Column identification: Subject: human participant number (1 to 9). Treatment: stimuli designs (GA, GP, BP, GT, GM, GL). Distance: viewing distance (6m, 10m, 15m) Correct: 1 = correctly identified, 0 = incorrectly identified Incorrect: 1 = incorrectly identified, 0 = correctly identified