Many factors can contribute to geographic color variation, including natural selection, sexual selection, and genetic drift. In squamates, phenotypic plasticity can also play an important role in ...

Octopuses change color to camouflage themselves from predators such as stingrays and eels. Octopuses have even been observed changing color in their sleep. Octopus's color-changing ability is known as ...

Arizona Black Rattlesnakes, native to the Southwestern U.S., are remarkable for their rapid color-changing ability, aiding in thermoregulation, camouflage, and signaling. This transformation, observed ...

Why do octopuses change color? Octopuses, like this young female Giant Pacific Octopus at Birch Aquarium at Scripps, change color to evade predators. (Photo Courtesy of Birch Aquarium at Scripps, ...