the hippopotamus, which is vulnerable to extinction, is the species most threatened by the ivory trade. Sperm whales and narwhals in Europe’s Arctic region are also classified as vulnerable to ...

The hippopotamus, which is vulnerable to extinction, is the species after elephants most at risk from the trade in its ivory, officials said. Sperm whales and narwhals in Europe’s Arctic region ...

Sadly, both hippos and elephants are in danger from human poachers. Poachers kill elephants for their ivory tusks. Hippo teeth are made of the same material but are easier to obtain and are also legal ...

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!