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Article
V. Dietrich, Auteur ; T. Schmoll, Auteur ; W. Winkel, Auteur ; J. T. Epplen, Auteur ; T. Lubjuhn, AuteurDespite substantial research effort, the benefits of female extra-pair matings in socially monogamous bird species remain elusive. The "good genes" hypothesis assumes that females engage in extra-pair copulations with males of superior genetic q[...]
Article
J. F. Masello, Auteur ; A. Sramkova, Auteur ; P. Quillfeldt, Auteur ; J. T. Epplen, Auteur ; T. Lubjuhn, AuteurWe report on a first DNA fingerprinting study of paternity in a Psittaciform bird, the burrowing parrot Cyanoliseus patagonus. In two consecutive breeding seasons, a total of 49 families was sampled, of which 11 breeding pairs were investigated [...]
Article
W. Müller, Auteur ; J. T. Epplen, Auteur ; T. Lubjuhn, AuteurPrevious studies have shown that extra-pair fertilizations are much less frequent in Non-Passeriformes, especially in raptors, than in Passeriformes. Low breeding densities, high breeding synchrony and high rates of paternal effort have been dis[...]
Article
T. Lubjuhn, Auteur ; T. Gerken, Auteur ; J. Brun, Auteur ; J. T. Epplen, AuteurThe frequency of extra-pair paternity was studied in a population of Coal Tits Parus ater using DNA fingerprinting technique. High values were obtained: 15 of the 20 broods investigated (75%) contained at least one nestling sired by an extra-pai[...]
Article
Inconsistent pattern of extra-pair paternity in first and second broods of the Great Tit Parus major
T. Lubjuhn, Auteur ; J. Brun, Auteur ; T. Gerken, Auteur ; J. T. Epplen, AuteurDans Ardea (89(1) 2001)In this study we compare extra-pair paternity rates in first and second broods of 25 individual breeding pairs of the Great Tit Parus major. 24% of the first broods contained at least one nestling due to copulations outside the pair bond in cont[...]
