La Tour du Valat

Article

Badge size, paternity assurance behaviours and paternity losses in male house sparrows

R. Vaclav, Auteur ; H. Hoi, Auteur ; D. Blomqvist, Auteur

Dans Journal of Avian Biology (33(3) SEP 2002)

Male quality may influence both the outcome of sperm competition and female faithfulness. In male house sparrows Passer domesticus, the size of the black throat patch (badge) signals dominance and perhaps attractiveness. So far, however, no stud[...]

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Article

Classical polyandry found in the three-toed woodpecker Picoides tridactylus

P. Pechacek, Auteur ; K. G. Michalek, Auteur ; H. Winkler, Auteur ; D. Blomqvist, Auteur

Dans Journal of Ornithology (147(1) JAN 2006)

We report two cases of simultaneous, social polyandry in the three-toed woodpecker Picoides tridactylus found in Berchtesgaden National Park, Germany during an 11-year study. The first case was between two neighbouring pairs in 2003. A female in[...]

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Article

High paternal investment, and its impact on social and genetic mating systems in woodpeckers

P. Pechacek, Auteur ; K. G. Michalek, Auteur ; H. Winkler, Auteur ; D. Blomqvist, Auteur

Dans Journal of Ornithology (147(5, Suppl. 1) AUG 2006)

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Article

The importance of genetic evidence for identifying intra-specific brood parasitism

G. Gronstol, Auteur ; D. Blomqvist, Auteur ; R. H. Wagner, Auteur

Dans Journal of Avian Biology (37(2) MAR 2006)

Intra-specific brood parasitism is widespread among birds. When genetic evidence is not available, criteria like super-normal clutch size, high within-clutch variance in egg morphology, and shorter than normal laying intervals have been used to [...]

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