Tupi, the San Antonio Zoo's capybara, may be only two months old, but it has already captured the hearts of locals and animal ...

He's small, cute and viral: the baby pygmy hippo Moo Deng, housed in a Thai zoo, has become the star of millions of posts, ...

Hippos produce a liquid on their skin that looks like blood. Discover the incredible reason why hippos have red sweat.

On the fringes of an African game park, an ambitious project brings together tourists, local communities and white rhinos, ...