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

Why does a Caribbean angelfish sometimes resemble its Indo-Pacific cousin, even though they have never lived in the same ocean? Why do coral reefs harbor such a wide range of stripes, spots and ...

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

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Monarch butterflies in Eastern North America complete one of the ...

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 ...

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 ...