Primula vulgaris exhibits flower colour polymorphism in the eastern part of its range, especially pronounced on the NE coast of the Black Sea. This polymorphism in the Caucasian populations has been ...

Two new studies into lizard colors reveal how one species maintains its colorful diversity while others are losing their ...

This is a preview. Log in through your library . Abstract 1. Polymorphic warning signals in aposematic species are enigmatic because predator learning and discrimination should select for the most ...

THE side-striped chameleon, Chamaeleo bitaeniatus, is common in the Kampala, Uganda, area, where it occurs in a wide variety of habitats, especially hedges. At birth the young are basically brown and ...

Aphids are tiny bugs that live in large colonies and suck sap from plants, producing a sugar-rich substance called honeydew, which is then eaten by ants. Ants, in turn, protect aphids - in a mutually ...

Researchers have found that ants have a particular preference for aphid colonies with certain colors, which could be why these bugs are able to keep their colors across generations. Aphids are tiny ...