The colour of prehistoric animals is almost impossible to determine, because fossilisation does not preserve it. But under exceptional circumstances, colour patterns survive. In the Crato Formation in ...

Scientists have solved the mystery of why some closely-related species of an iconic reef fish have vastly different colour patterns, while others look very similar. Scientists have solved the mystery ...

Have you ever wondered why some people have lighter eyes than others? Differences in iris coloration have traditionally been explained as a result of sexual selection, but a recent study led by ...

Most horses today are treasured for their ability to run, work, or be ridden, but have lost their wild-type camouflage: pale hair with zebra-like dark stripes known as the Dun pattern. Now an ...

Lepidopterans (butterflies and moths) exhibit a splendid diversity of wing colour patterns, and many species display black and white, or dark and bright, wing colour pattern variants associated with ...