Marushka and her son, Fanda, love getting their teeth cleaned. Staff use a hose and lettuce to clean their teeth. It's also reward for good behavior. Marushka and her son, Fanda, love getting their ...

OSAKA -- A zookeeper demonstrated the daring task of brushing a hippo's teeth during a special event at Osaka Tennoji Zoo in this western Japan city's Tennoji Ward on June 1, to the delight of ...

Given their huge size, there is no question as to why hippopotamuses are one of the most feared mammals. Apart from their bulky appearance, they also have an odd-looking mouth that features huge, ...

Hippos are horrible at chewing, and their giant tusks and front teeth are to blame. These intimidating dental features are used by hippos, in part, to protect themselves and their territory. But some ...

Thanks to social media, people around the world have fallen in love with Fiona and Fritz at the Cincinnati Zoo and the adorable memes of baby Moo Deng. It’s easy to see why — baby hippos are ...

For the best experience, please enable JavaScript in your browser settings. KWS ranger escorting tourists on a tour of Mzima Springs. [Gideon Maundu, Standard] Hippo ...

Most importantly, common hippos have interlocking upper and lower front teeth which almost completely prevent side-to-side motion. Video footage and wear analysis confirmed that pygmy hippos use a ...