La Tour du Valat

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Black Brant Branta bernicla nigricans forage at both tides on Humboldt Bay, California, USA

Elizabeth Elkinton, Auteur ; Long Lo, Auteur ; Jeffrey M. Black, Auteur

Dans Wildfowl (Sp. Iss. 3 2013)

Black Brant Branta bernicla nigricans arrive at their breeding grounds in arctic and sub-arctic North America and eastern Russia in spring, a time when food resources are limited. They rely largely on energy stores, acquired at staging sites, fo[...]

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