Similarities in how different organisms look can indicate a close evolutionary relationship. Conversely, great differences in appearance can suggest a very distant relationship, as in many adult ...

Reef fish in different oceans often develop similar color patterns because evolution explores the same set of biological possibilities.

The common buzzard’s range of colors is shrinking, with intermediate-colored birds becoming more common while light and dark forms decline.

A team of researchers has discovered new insights into the evolution of color patterns in frogs and toads -- collectively known as anurans. Animal color patterns can help them camouflage with their ...

After reconstructing the color patterns of a well-preserved dinosaur from China, researchers have found that the long-lost species Psittacosaurus (meaning "parrot lizard," a reference to its ...