La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Breeding between Tree Swallows from the same brood
Auteurs :	D. Shutler, Auteur ; D. J. T. Hussell, Auteur ; A. G. Horn, Auteur ; M. L. Leonard, Auteur ; R. W. Shutler, Auteur ; D. Lepage, Auteur
Type de document :	Article
Dans :	Journal of Field Ornithology (75(4) FAL 2004)
Article en page(s) :	353-358
Langues:	Anglais
Résumé :	We provide data on three instances where Tree Swallows (Tacbycineta bicolor) that fledged from the same nest (broodmates) eventually bred together in subsequent years. Two instances were detected in Ontario and a third was detected in Nova Scotia. Based on demographics at the times of each event, we estimated probabilities of these broodmate pairings as approximately 1 in 16,000, 1 in 5600, and 1 in 29,000, respectively, whereas the number of identified pairs in the populations was less than

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