La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Are tits Parus spp. and other hole-nesting passerines preferring at the choice of their breeding holes the weather-opposing side? (2005)
Auteurs :	Natascha Gaedecke, Auteur ; Wolfgang Winkel, Auteur
Type de document :	Article
Dans :	Vogelwarte (43(1) JAN, 2005)
Article en page(s) :	15-18
Langues:	Allemand
Résumé :	From 1994 until 2003 we recorded the settlement of hole-nesting passerines in nestbox-rondells (8 nestboxes around an oak-tree, study area near Brunswick, Lower Saxony/Germany). Nearly all of the nestbox-rondells were used by at least one breeding pair per annum of great tit Parus major, blue tit Parus caeruleus, nuthatch Sitta europaea, pied flycatcher Ficedula hypoleuca, or starling Sturnus vulgaris. Most pairs used for their breeding holes easterly directions (NE, E, SE), the strongest preference was shown by Ficedula hypoleuca (at rondells with more than one breeding pair only the choice of "first settlers" were included). The east side is the weather-opposing side with less moisture and heat inside the hole and probably better breeding success. Breeding-hole choice in the nestbox-rondells are, however, not identical with the situation in natural holes. Our study showed that the majority of natural holes in which starlings are breeding are south-west orientated as a consequence of a higher offer of natural holes at the weather-facing side.

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