Tuesday, July 31, 2007

Lesser black-backed gull fact sheet

Larus fuscus | Lesser black-backed gull

The lesser black-backed gull is similar to the yellow-legged gull (with yellow legs and beak) but with a darker tone on the to of its wings. The spot on the beak range in colour from red to black. The juveniles are darker. Adult lesser black-backed gulls can be distinguished from the great black-backed gull by their yellow legs and their size, as the great black-backed gull is much larger and the mirrors are smaller then the great black-backed gull. The lesser blacked-backed gull can reach a length of 51 to 61 cm, with a wingspan of 124 to 127 cm and a weight of 550 to 1,200 g. They nest in colonies in northern and central Europe, Iceland, Scotland, Finland and Scandinavia. They undergo short migrations and many individuals spend the winter in southern Europe. They can be seen in the Azores, in all the islands but more likely to be seen in winter time. They can live to be 34 years old, and they feed mainly on fish but they are omnivorous. They lay 2 to 3 eggs at a time. Incubation time is 25 to 28 days and fledging occurs at 35 to 40 days.

In other languages
Portuguese: Gaivoat de asa escura
Spanish: Gaviota sombría
French: Goéland brun
Italian: Zafferano
German: Heringsmöwe
Dutch: Kleine mantelmeeuw
Swedish: Silltrut
Norwegian: Sildemåke
Danish: Sildemåge
Finnish: Selkälokki
Polish: Mewa żółtonoga

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