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.

Researchers discovered that 37 out of 45 known species of birds of paradise possess biofluorescence, emitting green or yellow-green light when exposed to blue or UV light.

Biofluorescence is seen on an emperor bird-of-paradise (Paradisaea guilielmi) in the American Museum of Natural History's collection. Credit: Rene Martin New research by scientists at the American ...

Birds-of-paradise are even colorful in the dark, with feathers and body parts that glow a brilliant yellow-green under ultraviolet (UV) light, a new study found.

Follow this simple care guide to ensure your bird of paradise plant continues to soar and thrive for years to come ...

Not all birds-of-paradise had these patches, however. Eight species from the genera Lycocorax, Manucodia and Phonygammus appear to have lost their ability to fluoresce, which may be due to differences ...

A male Superb Bird of Paradise displays his super-black and brilliant blue plumage to an onlooking female. Ed Scholes, CC BY-ND. Super-black feathers on these guys are like looking into a dark cave.

Birds-of-paradise are even colorful in the dark, with feathers and body parts that glow a brilliant yellow-green under ultraviolet (UV) light, a new study found.