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, ...

Hippo ivory is an affordable alternative to elephant ivory, whose international trade is prohibited by many countries. The reported export and import numbers of legal wildlife trade in the CITES ...

Update, January 30, 2018: The auction occurred on January 29. A company called Ontour Tanzania Limited bought teeth for $13,600, according to a representative from the Tanzania Wildlife Authority.

Investigators have examined the case of hippo teeth and revealed discordance in trade volumes declared between importers and exporters -- a scenario that could threaten the survival of the species.

Loss of megaherbivores such as elephants and hippos can allow woody plants and non-grassy herbs and flowering plants to encroach on grasslands in African national parks, according to a new study. Loss ...

Deepening restrictions on ivory trafficking have led to an increase of the trade in hippopotamus teeth, wildlife campaigners are warning, with potentially serious effects for a species already listed ...