La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Behaviour of female Eurasian Kestrels during laying: are there time constraints on incubation?
Auteurs :	K. L. Wiebe, Auteur ; K. I. Jonsson, Auteur ; J. Wiehn, Auteur ; H. Hakkarainen, Auteur ; E. Korpimäki, Auteur
Type de document :	Article
Dans :	Ornis Fennica (77(1) 2000)
Article en page(s) :	1-9
Langues:	Anglais
Résumé :	To investigate time, energy, and temperature constraints on hatching asynchrony in Eurasian Kestrels (Falco tinnunculus), we observed females during the laying period and quantified the time spent hunting to see whether this might limit time spent incubating. We predicted that females would hunt more in years when the density of voles was low in spring. Although females spent more time outside the nest box in poor-food years, there was only a weak trend for increased hunting. Only

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