Synapsida

Megaloceros Over the past year, I have described no less than 53 living species of deer, seven of which are currently considered endangered ...

Dissopsalis , another member  of the "monster-tooth" family Among the distinguishing features of mammals, as compared with other v...

Dolphins and porpoises are well-known for using biosonar to navigate their way around and detect the fish on which they feed. There are a la...

Moose It will probably come as no surprise that the largest species of deer alive today is the moose ( Alces alces ), confusingly known as ...

Greater noctule bat (Well, it is Halloween...) At least in the parts of the world with a temperate climate, the great majority of bat speci...

Nesodon At the dawn of the Miocene, South America was home to no fewer than three orders of moderate to large hoofed herbivore, compared wit...

Grey brocket Deer first entered South America when that continent first connected with its northern counterpart a little over two million ye...