Image for Rich polar waters

Rich polar waters

Duration: 01:59

Seabirds and whales take advantage of the cold water feast.

Available since: Thu 20 Oct 2011

This clip is from

Frozen Planet To the Ends of the Earth

1/7 At the North Pole, the sun returns after six months of darkness.

First broadcast: 26 Oct 2011

Image for To the Ends of the Earth Not currently available on BBC iPlayer

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