La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Coots Fulica atra as successful breeding birds on the open shores of eastern Bornholm (Denmark)
Auteurs :	Stefan Brehme, Auteur
Type de document :	Article
Dans :	Vogelwelt (Die) (133(1) 2012)
Article en page(s) :	23-29
Résumé :	Brehme, S. 2012: Coots Fulica atra as successful breeding birds on the open shores of eastern Bornholm (Denmark). Vogelwelt 133: 23 - 29. Successful breeding right at the sea shores is an exception in the overall area of occurrence of the Coot. Evidence of successful breeding on the open shore was given for the Coot in two sections of the eastern shores of Bornholm (Nexo Sydstrand, Grisby) between 2002 and 2010, showing intensive dynamics of loss of offspring by surf and new built nests. The coast-associated nests are documented mainly close to flat rocks, but as well in strips of sedge along the open shores of this large island in the southern Baltic Sea (see also BREHME 2006, 2008). Nesting is possible due to suitable erratic blocks and reduced surf, and probably also by sufficient supply of Bladder Wrack Fucus vesiculosus (nesting material), food and, possibly, reduced nest predation.

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