Feathers on 37 of 45 birds-of-paradise species emit biofluorescence. The feathers absorb UV light and release it as a ...

On the open savannas of East Africa, a flock of vulturine guinea fowl looks almost unreal. Bodies are patterned with crisp ...

With flashy feathers and fancy moves, birds of paradise are already known for extravagant looks. But a trick that boosts that zing has been overlooked by science, until now. In the right light, ...