Publications of the Department Ornithology

Delhey, K.; Kempenaers, B.: Age differences in blue tit Parus caeruleus plumage colour: Within-individual changes or colour-biased survival? Journal of Avian Biology 37 (4), pp. 339 - 348 (2006)

Delhey, K.; Peters, A.; Johnsen, A.; Kempenaers, B.: Seasonal changes in blue tit crown color: Do they signal individual quality? Behavioral Ecology 17 (5), pp. 790 - 798 (2006)

Denk, A.; Kempenaers, B.: Testosterone and testes size in mallards (Anas platyrhynchos). Journal of Ornithology 147 (3), pp. 436 - 440 (2006)

Foerster, K.; Valcu, M.; Johnsen, A.; Kempenaers, B.: A spatial genetic structure and effects of relatedness on mate choice in a wild bird population. Molecular Ecology 15 (14), pp. 4555 - 4567 (2006)

Forstmeier, W.; Hasselquist, D.; Bensch, S.; Leisler, B.: Does song reflect age and viability? A comparison between two populations of the great reed warbler Acrocephalus arundinaceus. Behavioral Ecology and Sociobiology 59 (5), pp. 634 - 643 (2006)

Johnsen, A.; Andersson, S.; Fernandez, J. G.; Kempenaers, B.; Pavel, V.; Questiau, S.; Räß, M.; Rindal, E.; Lifjeld, J. T.: Molecular and phenotypic divergence in the bluethroat (Luscinia svecica) subspecies complex. Molecular Ecology 15 (13), pp. 4033 - 4047 (2006)

Kunc, H. P.; Foerster, K.; Vermeirssen, E. L. M.; Kempenaers, B.: Experimentally elevated plasma testosterone levels do not influence singing behaviour of male blue tits (Parus caeruleus) during the early breeding season. Ethology 112 (10), pp. 984 - 992 (2006)

Peters, A.; Delhey, K.; Goymann, W.; Kempenaers, B.: Age-dependent association between testosterone and crown UV coloration in male blue tits (Parus caeruleus). Behavioral Ecology and Sociobiology 59 (5), pp. 666 - 673 (2006)

Poesel, A.; Kunc, H. P.; Foerster, K.; Johnsen, A.; Kempenaers, B.: Early birds are sexy: Male age, dawn song and extrapair paternity in blue tits, Cyanistes (formerly Parus) caeruleus. Animal Behaviour 72 (3), pp. 531 - 538 (2006)

Steiger, S. S.; Goymann, W.; Kempenaers, B.: Plasma steroid hormones in two Arctic-breeding shorebirds: Monogamy versus polygyny. General and Comparative Endocrinology 147 (2), pp. 133 - 140 (2006)

Valcu, M.: Seasonal changes in bird species diversity at the interface between forest and reed-bed. Biodiversity and Conservation 15 (11), pp. 3459 - 3467 (2006)