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Lemming (Lemmus lemmus), Setesdalheia, Southern Norway

Lemming (Lemmus lemmus), Setesdalheia, Southern Norway

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Uploaded 15 Feb 2011 by Peter Prokosch
Year: 2010
From collection: Arctic Biodiversity
Taken by: Peter Prokosch
During Winter, lemmings live in tunnels in the snow, where warm pockets of air near the ground provide comfort and access to grass and moss. Warmer temperatures in recent years have made snow conditions less suited to lemming behaviour and as a result, lemming numbers have not been so high. These small changes in the Arctic cascade right through the ecosystem, forcing animals such as the arctic fox and snowy owl to seek alternative food sources - such as geese, grouse and ptarmigan.
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