A medium-sized migratory waterfowl species characterized by distinctive black and white plumage, native to Arctic coastal regions of Europe and North America.
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ADSENSE SLOT
Ecology & Habitat
Habitat
Tundra and Arctic coastal areas, breeding in Svalbard, Greenland, and Arctic Russia; wintering in coastal wetlands and marshes of Northwestern Europe
Ecological Role
Critical seed dispersal agent, grazing influencer of Arctic tundra vegetation, and important prey/predator in Arctic ecosystem food webs
Morphology
SKIN COATDense, waterproof plumage with distinctive black and white coloration, providing insulation in cold Arctic environments
LIMBS WINGSStrong, grey-black legs adapted for walking and swimming; wingspan of 120-142 cm enabling long-distance migration
HEAD SENSORYBlack head with white facial patch, keen eyesight, and sensitive bill for foraging
BODY STRUCTURECompact body, approximately 55-70 cm in length, weighing 1.5-2.2 kg, with robust neck and streamlined aerodynamic shape
