Scientists have recorded same-sex behavior across many animal groups, including mammals, birds, and reptiles. Still, the meaning of that behavior depends on the species and the context. Behavior that ...

From lemurs to apes, spiders, fish and a variety of birds, gay behaviour is the norm for most animals, research has found. Scientists studied homosexual acts in more than 1,500 species and concluded ...

Same-sex behavior among animals has been observed for centuries and is far more common than you might think. Scientists estimate it occurs in over 1,500 species worldwide. From dolphins and lions to ...

The following is an extract from our nature newsletter Wild Wild Life. Sign up to receive it for free in your inbox every month. I have only vague memories of school sex education lessons. But I’m ...

Evolutionary approach to animal behavior -- Diversity of behavior -- Genetics of behavior -- Development of behavior -- Nerve cells and behavior -- Organization of behavior -- Evolution of behavior: ...