A coup by two hippo bulls is out of the ordinary. An alpha hippo is challenged by two outside males. A coup by two hippo bulls is out of the ordinary, but this is no ordinary year, as a ...

Hippos are large, semi-aquatic mammals with a barrel-shaped body, short legs, and a large head. They have gray or brownish-gray skin, with pinkish areas around their eyes, mouth, and ears. Hippos are ...

An alpha hippo is challenged by two outside males. A coup by two hippo bulls is out of the ordinary, but this is no ordinary year, as a once-in-a-lifetime drought spurs unusual animal behavior. - ...