Discover fascinating animals in South America, from the largest rodent to the apex predator. Explore unique South American ...

And once a mammal becomes an obligate ant-eater, it usually doesn’t go back. In fact, almost all lineages that adopted this diet stayed that way. Only one group, the elephant shrew genus Macroscelides ...

The combined weight of all the planet's ants and termites outpaces that of all living wild mammals. That wasn't the case in ...