In direct comparison appreciably smaller (L 120 cm) than Mute Swan (Cygnus olor), with shorter neck, less elongated head shape and less yellow on bill. Breeds on arctic tundra and migrates in autumn via southern to wintering areas. Winters mainly at lakes, marshes and flooded pastures. Feeds mostly on algae, seeds and various aquatic plants. Migrant.
Reasons for the need for protection/inclusion in annex I
Although its number have increased slowly, Bewick's Swam is susceptible because much of its traditional winter habitat has been lost or degradated. In the breeding grounds of the Russian tundra, planned oil and gas extraction pose a serious threat.
yellow = summer visitor
green = resident
blue = winter visitor
Population : winter : 12,000 / 22,000 birds
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