Changes in Tree Frog (<i>Hyla savignyi</i>) Coloration in Unstable Habitats at the Southern Border of Its Distribution

This study examined the relationship between tree frog (Hyla savignyi) coloring and its different seasonal habitats at the southern border of its distribution. The results show that tree frog color is affected by the dominant colors in its habitat, which vary seasonally, especially between winter and summer. Tree frog colors were various shades of green, white, brown, and black. No genetic marker was found to characterize the color. The ability of a small frog to infer its own time with the help of color changes occurring in the habitat on the southern border of its distribution, which are relatively broad, gives this species an advantage.