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 ...

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 ...

Hippos' huge tusks and wide gape restrict grinding jaw movements, making their chewing inefficient, according to a study by Annika Avedik and Marcus Clauss at the University of Zurich, Switzerland ...

Hippos can’t grind their teeth to chew food. Although inefficient for digestion, their wide, gaping mouths may enable the animals to better use their teeth to protect themselves. Most mammals chew ...