La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Foraging activity and performance of Shags Phalacrocorax aristotelis in relation to environmental characteristics
Auteurs :	S. Wanless, Auteur ; D. Gremillet, Auteur ; M. P. Harris, Auteur
Type de document :	Article
Dans :	Journal of Avian Biology (29(1) MAR 1998)
Article en page(s) :	49-54
Langues:	Anglais
Résumé :	We combined radiotelemetry techniques with an automatic nest balance system to obtain detailed, concurrent data on foraging activity, prey consumption and foraging performance in four pairs of Shags Phalacrocorax aristotelis during chick rearing on the Isle of May, Scotland. During the study period the location of the main feeding area changed abruptly from c. 10 km away From the colony (long-range trips, LRT) with return flight limes from the feeding area to the colony of 7-14 min to c. 0.8 km away (short-range trips (SRT), return flight times

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