Hiding among colors: background color diversity impedes detection time

Akhil Sadiq and Ullasa Kodandaramaiah

Behavioral Ecology, 2023, vol. 34, issue 5, 831-839

Abstract: Avoiding detection is vital for the survival of many animals. Factors extrinsic to animals, such as the visual complexity of the background, have been shown to impede the detection of animals. Studies using artificial and natural backgrounds have attributed background complexity to various visual features of the background. One feature that has received less attention is the diversity of color (hue) in the background. We used chickens and artificial backgrounds containing perceptually distinct elements in experiments to test whether color and luminance diversity affect detection time. We found that color diversity in the background impeded detection, while color diversity in prey and luminance diversity in the background did not impede detection. We also did not find an effect of luminance contrast on detection time. Our study suggests a prey animal can benefit in terms of increased detection times by predators when resting on backgrounds with enhanced color diversity.

Keywords: anti-predator behavior; background complexity; camouflage; chickens (search for similar items in EconPapers)
Date: 2023
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