An ant that disappears into the forest floor, a bird that demands attention from mates—for these animals, an inky black ...

Chameleons are the most famous color-changing animals, but there are plenty of other animals that possess this talent.

Brazilian and British researchers have observed that a small crustacean that changes color according to the marine vegetation ...

All kinds of animals use conspicuous colors, from flashy reds to startling yellows and oranges. It’s a quirk of evolution ...