Hooked into ice like an ax, they help a walrus clamber from the sea. They also jab rivals and fend off predators. Punctured polar bears have been found floating dead in the ocean. The mustache is ...

Walrus moms have strong maternal instincts and are known to pick up calves with their flippers and hold them to their chest before escaping predators by diving into the water. Walruses love clams ...

But melting sea ice means these predators have a whole new feeding ground to hunt in. And they hunt walrus. On land, polar bears are also attracted to large haulouts - and the smell of carcasses. They ...