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Great Northern Diver
Gavia immer

Map of the common names

Big diver (L 75 cm) with a powerful bill and a large head. In summer plumage characteristic, with black bill, head and neck and a broad band of white stripes on neck-side. In winter plumage very dark above contrasting sharply with white foreneck. Great Northern Divers prefer sea coast. They may, however, also occur in rivers and estuarys. The food comprises fishs, molluscs and crustaceans. Migrant.

Watercolour by Serge Nicolle

Reasons for the need for protection/inclusion in annex I
The main threat to the species is water pollution, mainly from oil, which means declining food stocks and deterioration of habitat.

Distribution map

yellow = summer visitor
green = resident
blue = winter visitor

Population :
300 pairs

Drawing by Manuel Manolos

back to list of threatened species