Bird ecologist Eric Woehler said in his 45-year career "this is the first time I've seen a yellow-tailed black cockatoo that's missing the black". "It's quite a remarkable bird," he said.

With its bright golden mantle and jet-black body, it would be hard to mistake the yellow-headed blackbird for any other ...

Birds are feathered beauties, with some having tail feathers that make them look stunningly beautiful. Species such as the Long-tailed Widowbirds and the Greater Racket-Tailed Drongo have ...

In short: 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.