La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Cavity use throughout the annual cycle of a migratory woodpecker revealed by geolocators (2016)
Auteurs :	Elizabeth A. Gow, Auteur ; Karen L. Wiebe, Auteur ; James W. Fox, Auteur
Type de document :	Article
Dans :	Ibis (158(1) January 2016)
Article en page(s) :	167-170
Langues:	Anglais
Mots-clés:	migration ; roosting ; tree cavities
Résumé :	The importance of cavities as roost sites in migratory species is often unknown because it is challenging to monitor cavity use during the non-breeding period. We documented cavity use throughout the annual cycle of a woodpecker using light-level geolocators. Northern Flickers Colaptes auratus spent 63–90% of nights roosting in a cavity throughout the year, including during migration. The high frequency of year-round cavity use by Flickers suggests that cavities provide benefits beyond nest-sites. Our work highlights the potential use of geolocators to examine cavity use.
En ligne :	http://onlinelibrary.wiley.com/doi/10.1111/ibi.12206/abstract

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