Jan T. Lifjeld
Jan T. Lifjeld
Professor, Natural History Museum, University of Oslo
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Females increase offspring heterozygosity and fitness through extra-pair matings
K Foerster, K Delhey, A Johnsen, JT Lifjeld, B Kempenaers
Nature 425 (6959), 714-717, 2003
Polygyny in birds: the role of competition between females for male parental care
T Slagsvold, JT Lifjeld
The American Naturalist 143 (1), 59-94, 1994
Extra-pair paternity in monogamous tree swallows
JT Lifjeld, PO Dunn, RJ Robertson, PT Boag
Animal Behaviour 45 (2), 213-229, 1993
Female bluethroats enhance offspring immunocompetence through extra-pair copulations
A Johnsen, V Andersen, C Sunding, JT Lifjeld
Nature 406 (6793), 296-299, 2000
Polygyny in the pied flycatcher, Ficedula hypoleuca: a test of the deception hypothesis
G Stenmark, T Slagsvold, JT Lifjeld
Animal Behaviour 36 (6), 1646-1657, 1988
Variation in plumage colour of the Great tit Parus major in relation to habitat, season and food
T Slagsvold, JT Lifjeld
Journal of Zoology 206 (3), 321-328, 1985
DNA barcoding of Scandinavian birds reveals divergent lineages in trans-Atlantic species
A Johnsen, E Rindal, PGP Ericson, D Zuccon, KCR Kerr, MY Stoeckle, ...
Journal of Ornithology 151, 565-578, 2010
Ultraviolet plumage ornamentation affects social mate choice and sperm competition in bluethroats (Aves: Luscinia s. svecica): a field experiment
A Johnsen, S Andersson, J Írnborg, JT Lifjeld
Proceedings of the Royal Society of London. Series B: Biological Sciencesá…, 1998
Female control of extra-pair fertilization in tree swallows
JT Lifjeld, RJ Robertson
Behavioral Ecology and Sociobiology 31, 89-96, 1992
Mate choice and imprinting in birds studied by cross-fostering in the wild
T Slagsvold, BT Hansen, LE Johannessen, JT Lifjeld
Proceedings of the Royal Society of London. Series B: Biological Sciencesá…, 2002
Carotenoids in food chain studies. 2. The food chain of Parus spp. monitored by carotenoid analysis.
V Partali, S Liaaen-Jensen, T Slagsvold, JT Lifjeld
On the cost of searching for a mate in female pied flycatchers Ficedula hypoleuca
T Slagsvold, JT Lifjeld, G Stenmark, T Breiehagen
Animal Behaviour 36 (2), 433-442, 1988
The function of extrapair paternity in blue tits and great tits: good genes or fertility insurance?
C Krokene, K Rigstad, M Dale, JT Lifjeld
Behavioral Ecology 9 (6), 649-656, 1998
Effects of breeding density, synchrony, and experience on extrapair paternity in tree swallows
PO Dunn, LA Whittingham, JT Lifjeld, RJ Robertson, PT Boag
Behavioral Ecology 5 (2), 123-129, 1994
Intraspecific variation in sperm length is negatively related to sperm competition in passerine birds
O Kleven, T Laskemoen, F Foss°y, RJ Robertson, JT Lifjeld
Evolution 62 (2), 494-499, 2008
Influence of male and female quality on clutch size in tits (Parus spp.)
T Slagsvold, JT Lifjeld
Ecology 71 (4), 1258-1266, 1990
Comparative evidence for the evolution of sperm swimming speed by sperm competition and female sperm storage duration in passerine birds
O Kleven, F Foss°y, T Laskemoen, RJ Robertson, G Rudolfsen, JT Lifjeld
Evolution 63 (9), 2466-2473, 2009
Low frequency of extra-pair paternity in pied flycatchers revealed by DNA fingerprinting
JT Lifjeld, T Slagsvold, HM Lampe
Behavioral Ecology and Sociobiology 29, 95-101, 1991
Genetic relationships in the peregrine falcon (Falco peregrinus) analysed by microsatellite DNA markers
M Nesje, KH R°ed, JT Lifjeld, P Lindberg, OF Steen
Molecular Ecology 9 (1), 53-60, 2000
The function of courtship feeding during incubation in the pied flycatcher Ficedula hypoleuca
JT Lifjeld, T Slagsvold
Animal Behaviour 34 (5), 1441-1453, 1986
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