A valuable and rare yellow-tailed black cockatoo born completely yellow ... which affects the pigmentation of the bird's feathers, causing them to turn completely yellow. Bonorong Wildlife ...

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.

ʻAhuʻula (Hawaiian feather capes) are such amazing works of art that show the modern generation what the ancestors of this ...

The striking bird has a black belly instead of the usual striking white and the feathers on its neck also appear to be black instead of yellow. Yves, from Ghent, Belgium, said: 'I was very happy ...

There is an often noisy, conspicuous bird that has reached the Mountains in recent decades. It looks like an oversized Brewer ...

Tweety, a yellow-tailed black cockatoo, was born with leucism, a rare genetic mutation that affects the pigmentation of the birds' feathers, causing them to turn completely yellow. The rarity ...