The baikal seal is the smallest seal in the world and one of only two species of freshwater seal. In summer they come to the Ushkani Islands to moult but space for sunbathing on these small rocks is at a premium.
Available since: Mon 13 Feb 2012
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5/6 Siberia has temperatures of -70C and is home to Baikal, the world's oldest, deepest lake.
First broadcast: 13 Dec 1992
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