They're rumoured to kill more humans than lions every year. But that didn't stop a brave zoo keeper at Qingdao Wildlife World in east China's Shandong province practising a bit of dental hygiene on ...

Video by @zookeeperguyHippos have four canines one in each corner in the front of their mouth. But if you look along here, you can see that they’re not the same. The big lower canines, those is the ...

SEATTLE — Water Lily, Woodland Park Zoo's 45-year-old hippopotamus, underwent dental surgery on Wednesday, according to a blog post. The north Seattle zoo said Thursday Lily is "healing well" after ...

Hippos are already known as one of the world’s most dangerous animals, but their threat extends far beyond direct attacks.

JOHANNESBURG (AP) — Authorities in Tanzania plan an auction of 3.5 tons of hippo teeth next week, drawing criticism from conservation groups who say the sale could encourage increased killing of the ...

A federal judge has given the U.S. Fish and Wildlife Service three more years to determine whether the common hippopotamus should be protected under the U.S. Endangered Species Act. Wild hippos are ...

WASHINGTON— Animal protection and conservation groups today sent a notice of intent to sue the U.S. Fish and Wildlife Service for failing to respond to a legal petition to protect the common ...

Why would a rhino pick a fight with a hippo, and who has the advantage? Do hippos and rhinos usually get along? Despite their seemingly calm demeanor as they float through the water, hippos are ...