Grizzly bears, for example, are a subspecies of brown bear found in parts of North America. There are many different ...

A single polar bear’s range can span 300,000 square kilometres; the size of the United Kingdom and Ireland combined. When hibernating a bear will lose up to a third of its body weight and only ...

Polar bears are the planet’s biggest land-based carnivores – although they actually spend most of their lives around water and ice (their Latin name means ‘sea bear’). So they’re at particular risk ...