Gull of Sabine

The gull of Sabine ( Xema sabini ) is the only species of Mouette of the kind Xema . Its surface of nesting is Circumpolaire around the Arctic Ocean and extends on the North America and north from the Eurasia. It migrates towards the south in autumn, the majority of the individuals winter at sea in the northern Pacifique, although the birds of the Greenland and the east of Canada cross the Atlantic Ocean until the North-West of the Europe.

Aspect

It is easy to identify this species by the particular organization of the plumage of its wing. The adult has the back and the wing covers of a pale gray, Rémige S black primary educations and the secondaries, white. The white tail is indented dovetail. The head of the male becomes black during the season of reproduction. Their nozzle is black with the yellow end. The youthful ones have also a tricolor plimuage on the level of the wing, but the gray is replaced by the brown one, and the tail has a black edge strip. They spend two years to have their plumage of adult. These gulls have a cry very acute and squeaking.

Reproduction

The gull of the Sabine nest in colonies, on the coasts and in the Toundra, depositing two or three mottled eggs of brown a olivâtre, in a nest furnished with grass, posed on the ground. Its lifestyle is primarily Pélagique apart from the season of nesting.

Food

Its food Régime zoophage is very varied, comprising all kinds of preys, as long as their size is appropriate. It also steals of eggs to the colonies close to Arctic terns.

Etymology

The name of kind Xema is perhaps derived from the Greek “ xeima ” which sighifie “bad weather, winter”. This species was baptized name of the English scientist Edward Sabine, by her brother Joseph Sabine.

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