For the best experience, please enable JavaScript in your browser settings. Hippos need good dental hygiene too. [Photo: Getty] They're rumoured to kill more humans ...

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 ...

Most importantly, common hippos have interlocking upper and lower front teeth which almost completely prevent side-to-side motion. Video footage and wear analysis confirmed that pygmy hippos use a ...

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 ...

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 ...