Sensory biologist Dr Robyn A Grant, from the University of Manchester, said it was "the very first time" hippopotamus ...

There’s a new way to get even more up close and personal with baby Poppy at the Metro Richmond Zoo. Now that Iris and Poppy ...

The drug lord Pablo Escobar built a private zoo filled with hippos, but things took a dangerous turn when he was shot dead.

From a pygmy hippo to capybaras, Edinburgh Zoo's latest viral additions are helping to keep visitor numbers steady after its pandas returned ...