She said: "A hippo opens his mouth when afraid, to say look at my big mouth and teeth, or in play to play pushing games with other hippos, [they] also yawn like we do. To show anger if threatened ...

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!

Poachers kill elephants for their ivory tusks. Hippo teeth are made of the same material but are easier to obtain and are also legal. Sadly, hippos’ teeth are replacing elephant tusks in the ...

Joan said: 'I was training with Happy, and we've been rasping his teeth. Hippo's tusks are always growing, and so we do some rasping.' This process involves using a tool similar to a large file to ...

Hippos are threatened by habitat loss and degradation, drought, poaching and the international demand for hippo parts, including teeth, skulls, ivory, skin and meat. Adam Peyman, wildlife programs ...