This can be because they have an injury (as may be the case with the polar bear in the photo) or because the animal is old and has lost some of its canines, she said. Steven Amstrup, chief ...

The connection between an individual animal’s death ... animal is as emaciated as this polar bear. Photographer Paul Nicklen and I are on a mission to capture images that communicate the urgency ...

A sneak peak of a new episode of National Geographic's Incredible Animal Journeys shows two polar bear cubs exploring the outdoors for the first time Kelli Bender is the Pets Editor at PEOPLE.