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 ...

Habitat loss and degradation, drought, poaching and the international trade of hippo parts, including their teeth, skulls, ivory, skin and meat, all threaten this keystone species. The United States ...

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 ...

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!