A duck born with four legs, linked to a conjoined twin condition, lives alongside other animals. Despite the rare deformity, the duck appears healthy and forms a gentle bond with a cat and her kittens ...

If you’ve been scanning the East coast flocks this winter, you may have noticed an uncommon and utterly dazzling visitor: the king eider. These striking sea ducks are showing up in larger-than-usual ...

A rare duck normally only seen in Asia has somehow turned up in California, drawing excited bird watchers from all over the U.S. and Canada to a wildlife refuge in the state's Central Valley. Wildlife ...