Pink spring beauties are ephemerals that sustained the earliest Americans, and selection pressure may hold the clue to color variation Pink or Rocky Mountain spring beauties, Claytonia rosea, were ...

One of the curious things in the world of birds is why most species come in only one color form, while others come in many. We can start with the western tanager. Adult males all look the same. Adult ...

The coat colour of horses is determined by a complex interplay of genetic factors that dictate not only the base pigmentation but also the elaborate patterns and white spotting phenotypes observed ...