The extraordinary teeth-cleaning session of a hippopotamus has gone viral and left the netizens amused. The video was shared ...

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 ...

Would the rhino’s horn be more powerful than the hippo’s long sharp teeth? Neither of them looks like they would be fast but ...

This is an image of hippo teeth products for sale in an ivory shop in Sheung Wan, Hong Kong Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!