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

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 ...

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 ...

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

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 ...

The colors and patterns of black swallowtails reveal the diversity of evolutionary dynamics acting on the sexes and the various life-history stages Six species of swallowtail butterflies occur locally ...

The little marsh swarmed with insects. Tiny moths popped up from the grass, darted a short distance and then disappeared back into the grass. Small wood nymph butterflies kept searching for the ...