Mammals live all across the world. They can be found living in the ground, in trees, and even in the sea. There are many different kinds of mammal, including us humans! Find out more about ...

But despite being the dominant terrestrial animal group in the last 66 million years, mammals make up only a small fraction of this vast biodiversity, with nearly 7,000 species inhabiting the land ...

Get all the news you need in your inbox each morning. Despite their underwater habitat, whales are mammals. Mammals are not solely terrestrial; some, including whales and dolphins, are fully ...