Synapsida

Olympicetus , a simocetid whale Although  the oldest fossils of seal-like animals may  date  back to the end of the Oligocene, there are ve...

The carnivorous mammals have been recognised as a taxonomic order since the official dawn of biological classification in 1758. In that firs...

It may not be Halloween just yet, but it is October, so that's as good a time as any to talk about an animal that goes by the name of th...

Orca / killer whale The dolphin family is scientifically defined as including all the species more closely related to the common dolphin tha...

Paleoecology is the study of how animals and their environments interacted in the distant past. While the basic idea has been around almost...

The hippopotamus ( Hippopotamus amphibius ) is an unusually large animal. Among land-dwelling mammals, only the elephants and some species ...

Mammals, like other animals, need a safe place to sleep. For large animals living in herds on the open plains, safety in numbers may be the ...