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Article
Sarah Malick-Wahls, Auteur ; Ingvar Byrkjedal, Auteur ; Barbara Ganter, Auteur ; Jan T. Lifjeld, Auteur ; Gunnhild Marthinsen, Auteur ; Hans-Ulrich Rösner, Auteur ; Terje Lislevand, AuteurThe sex of Dunlins from two widely separated Norwegian breeding populations can be determined using morphometrics, with the Dunlins’ sizes differing between populations. We aimed to understand the Dunlin’s physical characteristics within and out[...]
Article
Terje Lislevand, Auteur ; Ingvar Byrkjedal, Auteur ; Oddvar Heggøy, Auteur ; John Atle Kålås, AuteurThis paper reviews the current knowledge of distributions, population sizes and trends for the following meadow-breeding waders in Norway (percentage of population in agricultural meadows in brackets): Eurasian Oystercatcher Haematopus ostralegu[...]
Article
Terje Lislevand, Auteur ; Bohumír Chutný, Auteur ; Ingvar Byrkjedal, Auteur ; Václav Pavel, Auteur ; Martins Briedis, Auteur ; Peter Adamik, Auteur ; Steffen Hahn, AuteurCapsule Red-spotted Bluethroats Luscinia s. svecica from two European breeding populations spent the boreal winter on the Indian sub-continent.Aim Tracking the migration of Red-spotted Bluethroats from Europe to the hitherto unknown non-breeding[...]
Article
Terje Lislevand, Auteur ; Bohumír Chutný, Auteur ; Ingvar Byrkjedal, Auteur ; Václav Pavel, Auteur ; Martins Briedis, Auteur ; Peter Adamik, Auteur ; Steffen Hahn, AuteurCapsule Red-spotted Bluethroats Luscinia s. svecica from two European breeding populations spent the boreal winter on the Indian sub-continent.Aim Tracking the migration of Red-spotted Bluethroats from Europe to the hitherto unknown non-breeding[...]
Article
Ingvar Byrkjedal, Auteur ; Gaute Grønstøl, Auteur ; Terje Lislevand, Auteur
Article
Ingvar Byrkjedal, Auteur ; Jorn Madsen, AuteurDuring marine biology cruises to NE Greenland in September-October 2005 and 2007 bird observations were made from the vessel's bridge. often combined with a watch for seals. No methodical counts were carried out. but notes about bird numbers wer[...]
Article
Gaute Gronstol, Auteur ; Jo Esten Hafsmo, Auteur ; Ingvar Byrkjedal, Auteur ; Terje Lislevand, AuteurThe polygyny threshold model predicts that monogamous and secondary females on average settle at the same time and have similar reproductive success. This is not generally found. Incorporating varying female competitive strength into the model, [...]
Article
Terje Lislevand, Auteur ; Ingvar Byrkjedal, Auteur ; Gaute Bo Gronstol, AuteurDispersal and age at first breeding were studied in Northern Lapwings from south Norway. In total, 40 adult birds (two males) and 114 chicks were colour-ringed. There were no sex differences in returning rates of birds ringed as chicks (n = 10 m[...]
Article
Beate Schonert, Auteur ; Ingvar Byrkjedal, Auteur ; Terje Lislevand, AuteurConspicuous morphological traits that signal aspects of physical state of the owner may be used as cues in mate choice, leading to sexual selection of ornamental traits. In birds, colour patterns as well as structural attributes may constitute o[...]
Article
Ingvar Byrkjedal, Auteur ; Terje Lislevand, Auteur ; Gaute Grønstøl, Auteur
Article
Resident female Northern Lapwings Vanellus vanellus fight to exclude settlement by secondary females
Gaute Gronstol, Auteur ; Terje Lislevand, Auteur ; Ingvar Byrkjedal, AuteurIn systems with bi-parental care, sexual conflict theory states that a transition from monogamy to polygyny should increase fitness prospects for males and reduce fitness prospects of resident females. Behavioural observations of Northern Lapwin[...]
