Scientists have uncovered a hidden layer of visual communication in birds-of-paradise—biofluorescence. Nearly all species in this group glow under UV light, with ...

Birds of paradise, already famous for their spectacular courtship displays, reveal a new astonishing facet: their ability to emit fluorescent light. A recent study shows that this biofluorescence ...

This striking plume of yellow is the fluorescing tail feathers of a male emperor bird-of-paradise (Paradisaea guilielmi). Birds-of-paradise are known for their bright colours and courtship displays.