The data file shows the results of visual modeling of differently colored frogs (color contrast =DS and brightness contrasts =DL) for different predator clases .
Many animals have a gradation of body color, termed “countershading,” where the areas that are typically exposed to more light are darker. One hypothesis is that this patterning enhances visual camouf
1. Although background matching decreases prey detectability, resemblance between camouflaged prey and their visual background is seldom perfect. This could be because even a moderate resemblance migh