Why Polar Bears Like to Wrestle in the Winter

Polar bears enjoy a good wrestle. It's an activity which reinforces social ties and may help get them in shape for the hunting season ahead. (01:37)

Wildlife

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Preview thumbnail for A Chance Encounter With a Polar Bear and Her Two Cubs

A Chance Encounter With a Polar Bear and Her Two Cubs (02:16)

Preview thumbnail for Fascinating Footage of a Reef Squid Protecting His Mate

Fascinating Footage of a Reef Squid Protecting His Mate (01:55)