Image for Man might not always be a dog’s best friend

Man might not always be a dog’s best friend

Duration: 03:00

Some incredible polar bears forge unlikely friendships in Canada’s wild north.

Available since: Thu 20 Dec 2012

This clip is from

Nature's Weirdest Events Series 2, Episode 1

1/3 Chris Packham visits the town brought to a standstill by a swarm of flying insects.

First broadcast: 01 Jan 2013

Image for Episode 1 Not currently available on BBC iPlayer

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