The “white-winged” junco is the most local, breeding exclusively in the Black Hills region and wintering along the eastern edge of the Rockies; it is casual to accidental in western Texas ...

On several occasions, the cameras photographed a shaggy brown bear identified by researchers as an “extremely rare” leucistic sloth bear. Sloth bears are a vulnerable species found across India.

It was born to a coloured mother and a leucistic dad from a Louisiana swamp. Parents Jeyan and Ashley are in good health, workers say, adding the baby was born alongside a normal-coloured brother ...

An extremely rare – and extremely cute – leucistic white alligator has been born at Gatorland, the Orlando park announced Thursday in a news release. Just how rare are we talking about here?