A viral video showed a hippo getting its teeth cleaned by a caretaker, delighting viewers with the calm interaction and sparking joyful comments online. Have you ever witnessed the extraordinary ...

A zookeeper showed his bravery here as he checked the teeth of a resident hippo and plucked out muck that could lead to dental issues. The footage was shared on social media by "Zookeeper Guy", better ...

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, ...