Ashy crane

The ashy Grue ( Grus grus ) is large a Oiseau, belonging to the cranes.

Description

The ashy Crane measures from 114 to 127 cm, for a scale from 200 to 230 cm and a weight 4 to 7 kg. It is, as its name indicates it, mainly gray with a vertical white band along the neck, a tuft of black feathers furnishes the tail. It carries on cranium a portion of red naked skin, not very visible in nature.

Food

It nourishes Insecte S, seeds, grass and starts-up as well as Mollusque S and of Ver S.

Reproduction

This species reproduces in north of the Europe and in Asia of the west. The couples are plain for the life and the chicks are nidifuges. In Great Britain, at the 17th century, the species was extinct, but maintaining a small population niche again in the Norfolk Broads.

Migration

In fact powerful birds migrate on approximately 2500 km of distance, they spend the winter in North Africa or southernmost Europe (in the south of the Spain). The migratory flights are in the shape of V or of Y. In flight the ashy cranes shout, most of the time, approximately all the 10 to 15 seconds. Song, a " grou" sound, gets along up to four kilometers. It is an anatomical characteristic of the breast-bone of the crane which explains its exceptional power. The ashed cranes as the storks are accustomed to using the thermal currents to rise while planing and to migrate while moving of a thermics to the other by avoiding the beaten flight. This last is used in the event of bad weather, of night flight or with the top of the sea.

Gallery

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