Wild populations of the rare Maccoa duck, an African wetland species, have been dwindling for decades. There numbers are estimated at only 5,000 wild individuals. But the United Kingdom’s Chester Zoo ...

This video captures a rare and peaceful moment of cross-species interaction. A duck, which could have easily eaten all the food itself, chose instead to become a benefactor for the fish. It was seen ...

Fish rank as the most diverse group of vertebrates in the world. Scientists recognize over 37,000 distinct species, with many more waiting to be discovered. Most fish fall into the ray-finned group of ...