Offspring desertion by double-brooded female barn owls (Tyto alba)

Détails

ID Serval
serval:BIB_01A6AEB36BE5
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Titre
Offspring desertion by double-brooded female barn owls (Tyto alba)
Périodique
Auk
Auteur(s)
Roulin A.
ISSN
0004-8038
Statut éditorial
Publié
Date de publication
2002
Peer-reviewed
Oui
Volume
119
Numéro
2
Pages
515-519
Langue
anglais
Résumé
In double-brooded species, the sex that contributes less to breeding success may desert offspring before the end of the rearing period to start a new breeding attempt with another partner. I evaluated that prediction in the Barn Owl (Tyto alba), a species in which the male feeds the brood on average twice as often as the female. Among birds that produced a second brood, 46% of females and 4% of males deserted their offspring before completion of parental duties to remate with another partner at a distance of 1 to 10 km. Offspring desertion did not appear to incur a reproductive cost to the deserter, because deserting females at the first nest produced a similar number of offspring as nondeserting ones.
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Création de la notice
24/01/2008 18:42
Dernière modification de la notice
03/03/2018 13:15
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