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Article
O. Olsson, AuteurWhen King Penguin Aptenodytes patagonicus males arrive on the breeding grounds to start courtship, their energy reserves must sustain them during a fast lasting about five weeks, including the first incubation shift. If the female is delayed in [...]
Article
O. Olsson, Auteur ; J. Bonnedahl, Auteur ; P. Anker-Nilssen, AuteurExtra-pair paternity (EPP) in monogamous birds may result from either extra-pail copulations (EPCs) or mate switching. In this study of King Penguins in South Georgia, we observed no EPCs at all, an effect of very efficient mate guarding. Onshor[...]
Article
Article
U. Wiktander, Auteur ; O. Olsson, Auteur ; S. G. Nilsson, AuteurThe sexes' share in parental care and the social mating system in a marked population of the single-brooded Lesser Spotted Woodpecker Dendrocopos minor were studied in 17 woodpecker territories in southern Sweden during 10 years. The birds showe[...]
