A biologist has shown that bastard doves can fend for themselves. Despite having a strange coo, hybrid offspring are still able to defend their territory. This is necessary for further reproduction.

Amid spring’s profusion of birdsong, one of the most iconic voices is that of the mourning dove. It’s a familiar sound, in which an opening note swells into a higher second syllable, then falls back ...

How species are formed and how species remain separate are crucial questions in evolutionary biology. The offspring of crosses between different animal species are often infertile or die when still in ...