Works matching AU Lifjeld, Jan T.

Results: 89

Flagellum tapering and midpiece volume in songbird spermatozoa.

Published in:

Journal of Morphology, 2022, v. 283, n. 12, p. 1577, doi. 10.1002/jmor.21524

By:

Cramer, Emily R. A.;
Grønstøl, Gaute;
Lifjeld, Jan T.

Publication type:

Article

Morphology-function relationships and repeatability in the sperm of Passer sparrows.

Published in:

Journal of Morphology, 2015, v. 276, n. 4, p. 370, doi. 10.1002/jmor.20346

By:

Cramer, Emily R.A.;
Laskemoen, Terje;
Stensrud, Even;
Rowe, Melissah;
Haas, Fredrik;
Lifjeld, Jan T.;
Sætre, Glenn‐Peter;
Johnsen, Arild

Publication type:

Article

Do female bluethroats without extra-pair offspring have more MHC-compatible social mates?

Published in:

Behavioral Ecology & Sociobiology, 2023, v. 77, n. 3, p. 1, doi. 10.1007/s00265-023-03311-z

By:

Rekdal, Silje L.;
Anmarkrud, Jarl Andreas;
Lifjeld, Jan T.;
Johnsen, Arild

Publication type:

Article

Correction to: When Older Males Sire More Offspring—Increased Attractiveness or Higher Fertility?

Published in:

2022

By:

Lifjeld, Jan T.;
Kleven, Oddmund;
Fossøy, Frode;
Jacobsen, Frode;
Laskemoen, Terje;
Rudolfsen, Geir;
Robertson, Raleigh J.

Publication type:

Correction Notice

When Older Males Sire More Offspring—Increased Attractiveness or Higher Fertility?

Published in:

Behavioral Ecology & Sociobiology, 2022, v. 76, n. 5, p. 1, doi. 10.1007/s00265-022-03170-0

By:

Lifjeld, Jan T.;
Kleven, Oddmund;
Fossøy, Frode;
Jacobsen, Frode;
Laskemoen, Terje;
Rudolfsen, Geir;
Robertson, Raleigh J.

Publication type:

Article

Sperm quantity and quality effects on fertilization success in a highly promiscuous passerine, the tree swallow Tachycineta bicolor.

Published in:

Behavioral Ecology & Sociobiology, 2010, v. 64, n. 9, p. 1473, doi. 10.1007/s00265-010-0962-8

By:

Laskemoen, Terje;
Kleven, Oddmund;
Fossøy, Frode;
Robertson, Raleigh J.;
Rudolfsen, Geir;
Lifjeld, Jan T.

Publication type:

Article

Genotyping strategy matters when analyzing hypervariable major histocompatibility complex‐Experience from a passerine bird.

Published in:

Ecology & Evolution (20457758), 2018, v. 8, n. 3, p. 1680, doi. 10.1002/ece3.3757

By:

Rekdal, Silje L.;
Anmarkrud, Jarl Andreas;
Johnsen, Arild;
Lifjeld, Jan T.

Publication type:

Article

Sperm performance in conspecific and heterospecific female fluid.

Published in:

Ecology & Evolution (20457758), 2016, v. 6, n. 5, p. 1363, doi. 10.1002/ece3.1977

By:

Cramer, Emily R. A.;
Stensrud, Even;
Marthinsen, Gunnhild;
Hogner, Silje;
Johannessen, Lars Erik;
Laskemoen, Terje;
Eybert, Marie‐Christine;
Slagsvold, Tore;
Lifjeld, Jan T.;
Johnsen, Arild

Publication type:

Article

Deep sympatric mtDNA divergence in the autumnal moth (Epirrita autumnata).

Published in:

Ecology & Evolution (20457758), 2013, v. 3, n. 1, p. 126, doi. 10.1002/ece3.434

By:

Kvie, Kjersti S.;
Hogner, Silje;
Aarvik, Leif;
Lifjeld, Jan T.;
Johnsen, Arild

Publication type:

Article

Variation in sperm morphology among Afrotropical sunbirds.

Published in:

Ibis (0019-1019), 2016, v. 158, n. 1, p. 155, doi. 10.1111/ibi.12334

By:

Omotoriogun, Taiwo C.;
Laskemoen, Terje;
Rowe, Melissah;
Albrecht, Tomáš;
Bowie, Rauri C. K.;
Sedláček, Ondřej;
Hořák, David;
Ottosson, Ulf;
Lifjeld, Jan T.;
Collinson, Martin

Publication type:

Article

Extrapair paternity in insular African Blue Tits Cyanistes teneriffae is no less frequent than in continental Eurasian Blue Tits Cyanistes caeruleus.

Published in:

Ibis (0019-1019), 2012, v. 154, n. 4, p. 862, doi. 10.1111/j.1474-919X.2012.01241.x

By:

Garcia-Del-Rey, Eduardo;
Kleven, Oddmund;
Lifjeld, Jan T.;
Brotons, Lluis

Publication type:

Article

Geographical variation in patterns of parentage and relatedness in the co-operatively breeding Ground Tit Parus humilis.

Published in:

Ibis (0019-1019), 2011, v. 153, n. 2, p. 373, doi. 10.1111/j.1474-919X.2011.01115.x

By:

JOHANNESSEN, LARS E.;
DIANHUA KE;
XIN LU;
LIFJELD, JAN T.

Publication type:

Article

No evidence of extra-pair paternity in the Atlantic Puffin Fratercula arctica.

Published in:

Ibis (0019-1019), 2008, v. 150, n. 3, p. 619, doi. 10.1111/j.1474-919X.2008.00810.x

By:

ANKER-NILSSEN, TYCHO;
KLEVEN, ODDMUND;
AARVAK, TOMAS;
LIFJELD, JAN T.

Publication type:

Article

Sex differences in Little AukAlle alleparental care: transition from biparental to paternal-only care.

Published in:

Ibis (0019-1019), 2004, v. 146, n. 4, p. 642, doi. 10.1111/j.1474-919X.2004.00297.x

By:

Harding, Ann M. A.;
Van Pelt, Thomas I.;
Lifjeld, Jan T.;
Mehlum, Fridtjof

Publication type:

Article

Reduced genetic variation in Norwegian Peregrine Falcons Falco peregrinus indicated by minisatellite DNA fingerprinting.

Published in:

Ibis (0019-1019), 2002, v. 144, n. 1, p. E19, doi. 10.1046/j.0019-1019.2001.00029.x

By:

Lifjeld, Jan T.;
Bjørnstad, Gro;
Steen, Oodd F.;
Nesje, Marit

Publication type:

Article

Male parental care promotes early fledging in an open-nester, the Willow Warbler Phylloscopus trochilus.

Published in:

Ibis (0019-1019), 1996, v. 138, n. 2, p. 229, doi. 10.1111/j.1474-919X.1996.tb04333.x

By:

BJ0RNSTAD, GRO;
LIFJELD, JAN T.

Publication type:

Article

Why are some birds polyterritorial?

Published in:

Ibis (0019-1019), 1988, v. 130, n. 1, p. 65, doi. 10.1111/j.1474-919X.1988.tb00956.x

By:

SLAGSVOLD, TORE;
LIFJELD, JAN T.

Publication type:

Article

Subspecific variation in sperm morphology and performance in the Long-tailed Finch (Poephila acuticauda).

Published in:

Avian Research, 2015, v. 6, p. 1, doi. 10.1186/s40657-015-0032-z

By:

Rowe, Melissah;
Griffith, Simon C.;
Hofgaard, Antje;
Lifjeld, Jan T.

Publication type:

Article

Sperm Numbers as a Paternity Guard in a Wild Bird.

Published in:

Cells (2073-4409), 2022, v. 11, n. 2, p. 231, doi. 10.3390/cells11020231

By:

Rowe, Melissah;
van Oort, Annabel;
Brouwer, Lyanne;
Lifjeld, Jan T.;
Webster, Michael S.;
Welklin, Joseph F.;
Baldassarre, Daniel T.

Publication type:

Article

Longer Sperm Swim More Slowly in the Canary Islands Chiffchaff.

Published in:

Cells (2073-4409), 2021, v. 10, n. 6, p. 1358, doi. 10.3390/cells10061358

By:

Cramer, Emily R. A.;
Garcia-del-Rey, Eduardo;
Johannessen, Lars Erik;
Laskemoen, Terje;
Marthinsen, Gunnhild;
Johnsen, Arild;
Lifjeld, Jan T.

Publication type:

Article

Evolution of female promiscuity in Passerides songbirds.

Published in:

BMC Evolutionary Biology, 2019, v. 19, n. 1, p. N.PAG, doi. 10.1186/s12862-019-1493-1

By:

Lifjeld, Jan T.;
Gohli, Jostein;
Albrecht, Tomáš;
Garcia-del-Rey, Eduardo;
Johannessen, Lars Erik;
Kleven, Oddmund;
Marki, Petter Z.;
Omotoriogun, Taiwo C.;
Rowe, Melissah;
Johnsen, Arild

Publication type:

Article

Why don't female purple sandpipers perform brood care? A removal experiment.

Published in:

Behavioral Ecology, 2010, v. 21, n. 2, p. 275, doi. 10.1093/beheco/arp187

By:

Pierce, Elin P.;
Oring, Lewis W.;
Røskaft, Eivin;
Lifjeld, Jan T.

Publication type:

Article

Sex allocation and parental quality in tree swallows.

Published in:

Behavioral Ecology, 2008, v. 19, n. 6, p. 1243, doi. 10.1093/beheco/arn081

By:

Kira E. Delmore;
Oddmund Kleven;
Terje Laskemoen;
Susan A. Crowe;
Jan T. Lifjeld;
Raleigh J. Robertson

Publication type:

Article

Manipulation of male quality in wild tits: effects on paternity loss.

Published in:

Behavioral Ecology, 2005, v. 16, n. 4, p. 747, doi. 10.1093/beheco/ari048

By:

Lars Erik Johannessen;
Tore Slagsvold;
Bo Terning Hansen;
Jan T. Lifjeld

Publication type:

Article

No evidence for increased offspring heterozygosity from extrapair mating in the reed bunting (Emberiza schoeniclus).

Published in:

Behavioral Ecology, 2005, v. 16, n. 3, p. 561, doi. 10.1093/beheco/ari027

By:

Oddmund Kleven;
Jan T. Lifjeld

Publication type:

Article

Do female pied flycatchers seek extrapair copulations with familiar males? A test of the incomplete knowledge hypothesis.

Published in:

Behavioral Ecology, 2001, v. 12, n. 4, p. 412, doi. 10.1093/beheco/12.4.412

By:

Tore Slagsvold;
Arild Johnsen;
Helene M. Lampe;
Jan T. Lifjeld

Publication type:

Article

Effects of breeding density, synchrony, and experience on extrapair paternity in tree swallows

Published in:

Behavioral Ecology, 1994, v. 5, n. 2, p. 123, doi. 10.1093/beheco/5.2.123

By:

Dunn, Peter O.;
Lifjeld, Jan T.;
Robertson, Raleigh J.;
Boag, Peter T.;
Whittingham, Linda A.

Publication type:

Article

Impact of Z chromosome inversions on gene expression in testis and liver tissues in the zebra finch.

Published in:

Molecular Ecology, 2024, v. 33, n. 24, p. 1, doi. 10.1111/mec.17236

By:

Viitaniemi, Heidi M.;
Leder, Erica H.;
Kauzál, Ondřej;
Stopková, Romana;
Stopka, Pavel;
Lifjeld, Jan T.;
Albrecht, Tomáš

Publication type:

Article

No phylogeographic structure in the circumpolar snowy owl (Bubo scandiacus).

Published in:

Conservation Genetics, 2009, v. 10, n. 4, p. 923, doi. 10.1007/s10592-008-9581-6

By:

Marthinsen, Gunnhild;
Wennerberg, Liv;
Solheim, Roar;
Lifjeld, Jan T.

Publication type:

Article

Significant genetic admixture after reintroduction of peregrine falcon (Falco peregrinus) in Southern Scandinavia.

Published in:

Conservation Genetics, 2008, v. 9, n. 3, p. 581, doi. 10.1007/s10592-007-9373-4

By:

Jacobsen, Frode;
Nesje, Marit;
Bachmann, Lutz;
Lifjeld, Jan T.

Publication type:

Article

Female tree swallows ( Tachycineta bicolor) increase offspring heterozygosity through extrapair mating.

Published in:

Behavioral Ecology & Sociobiology, 2007, v. 61, n. 11, p. 1725, doi. 10.1007/s00265-007-0404-4

By:

Stapleton, Mary K.;
Kleven, Oddmund;
Lifjeld, Jan T.;
Robertson, Raleigh J.

Publication type:

Article

Evidence of obligate female promiscuity in a socially monogamous passerine.

Published in:

Behavioral Ecology & Sociobiology, 2006, v. 60, n. 2, p. 255, doi. 10.1007/s00265-006-0163-7

By:

Fossøy, Frode;
Johnsen, Arild;
Lifjeld, Jan T.

Publication type:

Article

Male tail streamer length predicts fertilization success in the North American barn swallow ( Hirundo rustica erythrogaster).

Published in:

Behavioral Ecology & Sociobiology, 2006, v. 59, n. 3, p. 412, doi. 10.1007/s00265-005-0065-0

By:

Kleven, Oddmund;
Jacobsen, Frode;
Izadnegahdar, Rasa;
Robertson, Raleigh J.;
Lifjeld, Jan T.

Publication type:

Article

Sexual conflict over fertilizations: female bluethroats escape male paternity guards.

Published in:

Behavioral Ecology & Sociobiology, 1998, v. 43, n. 6, p. 401, doi. 10.1007/s002650050507

By:

Johnsen, Arild;
Lifjeld, Jan T.;
Rohde, Percy A.;
Primmer, Craig R.;
Ellegren, Hans

Publication type:

Article

Is telomere length associated with mate choice in a songbird with a high rate of extra-pair paternity?

Published in:

PLoS ONE, 2017, v. 12, n. 8, p. 1, doi. 10.1371/journal.pone.0182446

By:

Johnsen, Arild;
Pauliny, Angela;
Lifjeld, Jan T.;
Blomqvist, Donald

Publication type:

Article

Microsatellite evolution: Mutations, sequence variation, and homoplasy in the hypervariable avian microsatellite locus HrU10.

Published in:

BMC Evolutionary Biology, 2008, v. 8, p. 1, doi. 10.1186/1471-2148-8-138

By:

Anmarkrud, Jarl A.;
Kleven, Oddmund;
Bachmann, Lutz;
Lifjeld, Jan T.

Publication type:

Article

Part-Time Mate Guarding Affects Paternity in Male Reed Buntings (Emberiza schoeniclus).

Published in:

Ethology, 2005, v. 111, n. 4, p. 397, doi. 10.1111/j.1439-0310.2005.01079.x

By:

Marthinsen, Gunnhild;
Kleven, Oddmund;
Brenna, Erik;
Lifjeld, Jan T.

Publication type:

Article

Age-Related Variation in Mate-Guarding Intensity in the Bluethroat (Luscinia s. svecica ).

Published in:

Ethology, 2003, v. 109, n. 2, p. 147, doi. 10.1046/j.1439-0310.2003.00861.x

By:

Johnsen, Arild;
Lifjeld, Jan T.;
Krokene, Christin

Publication type:

Article

Genetic and Social Monogamy – Does It Occur Without Mate Guarding in the Ringed Plover?

Published in:

Ethology, 2001, v. 107, n. 7, p. 561, doi. 10.1046/j.1439-0310.2001.00695.x

By:

Wallander, Johan;
Blomqvist, Donald;
Lifjeld, Jan T.

Publication type:

Article

Complete mitochondrial genomes of eleven extinct or possibly extinct bird species.

Published in:

Molecular Ecology Resources, 2017, v. 17, n. 2, p. 334, doi. 10.1111/1755-0998.12600

By:

Anmarkrud, Jarl A.;
Lifjeld, Jan T.

Publication type:

Article

Effects of fixatives and storage duration on avian sperm morphology.

Published in:

Journal of Ornithology, 2023, v. 164, n. 1, p. 171, doi. 10.1007/s10336-022-02015-x

By:

Grønstøl, Gaute;
Danielsen, Marie;
Cramer, Emily R. A.;
Johannessen, Lars Erik;
Johnsen, Arild;
Whittington, Emma;
Lifjeld, Jan T.

Publication type:

Article

Measuring sperm swimming performance in birds: effects of dilution, suspension medium, mechanical agitation, and sperm number.

Published in:

Journal of Ornithology, 2019, v. 160, n. 4, p. 1053, doi. 10.1007/s10336-019-01672-9

By:

Cramer, Emily R. A.;
Rowe, Melissah;
Eroukhmanoff, Fabrice;
Lifjeld, Jan T.;
Sætre, Glenn-Peter;
Johnsen, Arild

Publication type:

Article

DNA barcoding of Scandinavian birds reveals divergent lineages in trans-Atlantic species.

Published in:

Journal of Ornithology, 2010, v. 151, n. 3, p. 565, doi. 10.1007/s10336-009-0490-3

By:

Johnsen, Arild;
Rindal, Eirik;
Ericson, Per G. P.;
Zuccon, Dario;
Kerr, Kevin C. R.;
Stoeckle, Mark Y.;
Lifjeld, Jan T.

Publication type:

Article

A wild Marsh Warbler × Sedge Warbler hybrid ( Acrocephalus palustris × A. schoenobaenus) in Norway documented with molecular markers.

Published in:

Journal of Ornithology, 2010, v. 151, n. 2, p. 513, doi. 10.1007/s10336-009-0469-0

By:

Lifjeld, Jan T.;
Marthinsen, Gunnhild;
Myklebust, Magne;
Dawson, Deborah A.;
Johnsen, Arild

Publication type:

Article

Commonness and ecology, but not bigger brains, predict urban living in birds.

Published in:

BMC Ecology, 2015, v. 15, n. 1, p. 1, doi. 10.1186/s12898-015-0044-x

By:

Dale, Svein;
Lifjeld, Jan T.;
Rowe, Melissah

Publication type:

Article

Assessing reliability and accuracy of qPCR, dPCR and ddPCR for estimating mitochondrial DNA copy number in songbird blood and sperm cells.

Published in:

PeerJ, 2025, p. 1, doi. 10.7717/peerj.19278

By:

Bagdonaitė, Laima;
Leder, Erica H.;
Lifjeld, Jan T.;
Johnsen, Arild;
Mauvisseau, Quentin

Publication type:

Article

Endless forms of sexual selection.

Published in:

PeerJ, 2019, p. 1, doi. 10.7717/peerj.7988

By:

Lindsay, Willow R.;
Andersson, Staffan;
Bererhi, Badreddine;
Höglund, Jacob;
Johnsen, Arild;
Kvarnemo, Charlotta;
Leder, Erica H.;
Lifjeld, Jan T.;
Ninnes, CalumE.;
Olsson, Mats;
Parker, Geoff A.;
Pizzari, Tommaso;
Qvarnström, Anna;
Safran, Rebecca J.;
Svensson, Ola;
Edwards, Scott V.

Publication type:

Article

Parental Care and Sexual Selection in the Bluethroat, Luscinia s. svecica: A Field-experimental Test of the Differential Allocation Hypothesis.

Published in:

Ethology, 1999, v. 105, n. 8, p. 651, doi. 10.1046/j.1439-0310.1999.00444.x

By:

Rohde, Percy A.;
Johnsen, Arild;
Lifjeld, Jan T.

Publication type:

Article

Unattractive Males Guard Their Mates More Closely: an Experiment with Bluethroats (Aves, Turdidae: Luscinia s. svecica).

Published in:

Ethology, 1995, v. 101, n. 3, p. 200, doi. 10.1111/j.1439-0310.1995.tb00358.x

By:

Johnsen, Arild;
Lifjeld, Jan T.

Publication type:

Article

Extra‐pair mating in a passerine bird with highly duplicated major histocompatibility complex class II: Preference for the golden mean.

Published in:

Molecular Ecology, 2019, v. 28, n. 23, p. 5133, doi. 10.1111/mec.15273

By:

Rekdal, Silje L.;
Anmarkrud, Jarl Andreas;
Lifjeld, Jan T.;
Johnsen, Arild

Publication type:

Article