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, ...

Have you ever seen a hippo get its teeth brushed? This video from CGTN Español shows how a zookeeper cleans the teeth of a very cooperative hippo. The friendly hippo keeps its massive mouth open for ...

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 ...

Hippos' huge tusks and wide gape restrict grinding jaw movements, making their chewing inefficient, according to a new study. Hippos' huge tusks and wide gape restrict grinding jaw movements, making ...