Tadorne de Belon

The tadorne of Belon oyster ( Tadorna tadorna ) is a Oiseau pertaining to the family of the Anatidés.

Etymology

This tadorne is dedicated to Pierre Bellon (1517-1564), large zoologist French of the Renaissance.

Description

He measures between 58 and 67 cm.

The male with the black-greenish head, a red nozzle with a red caruncle, a russet-red pectoral band, black wings and the remainder of the white body. The female is duller and does not have a caruncle on the nozzle, often more marked of black. The chicks are covered with a dark and white brown sleeping bag. The young people are distinguished from the adults by the strongly marked covers ailaires brown black and the absence of pectoral band.

Habitat

The tadorne of Belon oyster is widespread Scandinavia and British Isles until the Tunisia in the west and of the Romania until the China in the east.

In France, one meets it in Picardy, Normandy, Brittany but also in Aquitaine and the Camargue. It is a bird of the estuaries, mudholes, brackish or salted lakes.

Biology

The tadorne of Belon oyster is a gregarious species. The reproduction takes place at the beginning of spring; the nest is placed in a hole of tree, slope or a burrow of rabbit, even under bushes or situations even more strange (cliff anfractuosity, blockhouse or cottage out of wooden).

The adults gather the young people in cribs under the monitoring of one or several adults then leave, generally in June and July, to moult in the Mer of Wadden in Germany.

The tadorne of Belon oyster is nourished while going in the mud and balancing its nozzle laterally. It also feeds on water by using various techniques.

Populations

The world population lies between 580 000 and 710 000 individuals, the species is not threatened.

External bonds

Nds-nl: Bargente

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