Sandpiper maubèche
The Bécasseau maubèche ( Calidris canutus ) is a large Limicole pertaining to the family of the Scolopacidae and the subfamily of the Calidridinae.
Description
This Sandpiper measurement 23 to 25 cm. It has a short nozzle, right and black. Its lower parts are red-headed in bridal plumage while its plumage is gray in winter.In bridal plumage, this bird with the face and lower parts russet-red orange. Its cap is very striated. Partially russet-red, the feathers of the coat, the scapulars and the tertiary sectors present a center noirâtre and a blanchâtre end. The wing covers are gray with a paler edging.
In plumage internuptial, this species has pale the gray upper parts with fine white margins and thin dark features on the rachis of the feathers. The lower parts are white except for indistinct rafters on the sides.
The youthful one presents a slightly scaly aspect given by the fine subterminal dark line and the clear white margin of the feathers of the upper parts. The chest rosy chamois decorates fine scratches which evolve/move out of rafters on the sides.
Subspecies
The Sandpiper maubèche is represented by six subspecies:- canutus with the nozzle longer than the other subspecies and with the plumage bridal of russet-red darker and widest on the lower parts and the scapulars, nicheuse in Siberia and wintering in South Africa and Australasia;
- rogersi nicheuse in the mountains of Chukotka and Chukotskiy, wintering in Australasia;
- roselaari nicheuse on the Wrangel island and in the North-West of Alaska, wintering on the coasts of the Gulf of Mexico;
- rufa with the russet-red bridal plumage paler lower part, with the scapulars orange yellow and the bottom of the white belly, nicheuse in the north of the Canada and wintering in the south of South America;
- islandica with the nozzle shorter than the other subspecies, with the russet-red color intermediate between that of canutus and rufa , with the lower parts and the scapulars yellowish, nicheuse on the islands with broad of Canadian North and in the north of the Greenland, wintering in the west of Europe.
- piersmai .
Habitat
The Sandpiper maubèche reproduces in the wet tundra. In migrations and wintering, he attends primarily the littoral mudholes.
Source
- Taylor D. (2006) Guide of limicolous of Europe, Asia and North America . Delachaux & Niestlé, Paris, 224 p.
External bonds
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