La Tour du Valat

Article

Simultaneous tetragyny in Northern Lapwing Vanellus vanellus

J. E. Hafsmo, Auteur ; I. Byrkjedal, Auteur ; G. B. Gronstol, Auteur ; T. Lislevand, Auteur

Dans Bird Study (48 JUL 2001)

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Ouvrage

Tundra plovers. The Eurasian, Pacific and American Golden Plovers and Grey Plover

I. Byrkjedal ; D. Thompson | [S.l.] : Poyser London | 1998

Poyser London (GBR) 422p ill

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Article

Counts of sea-birds between Norway and Spitsbergen in the summer 1973

I. Byrkjedal ; E. Alendal ; O.F. Lindberg 1974

Norsk Polarinst Arbok p265-269

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Article

Chick punishment and chick adoption in Northern Lapwings

I. Byrkjedal, Auteur ; G. B. Gronstol, Auteur ; J. E. Hafsmo, Auteur ; T. Lislevand, Auteur

Dans Ornis Fennica (77(2) 2000)

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Article

Incubation behaviour in male Northern Lapwings Vanellus vanellus in relation to mating opportunities and female body condition

T. Lislevand, Auteur ; I. Byrkjedal, Auteur

Dans Ardea (92(1) SPR 2004)

In polygynous Northern Lapwings Vanellits vanellus, males incubate less than females, possibly because males give priority to mating activities. We studied how male Lapwings responded to experimental and natural clutch loss after about ten days [...]

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Article

'Magic carpet' flight in shorebirds attacked by raptors on a migrational stopover site

T. C. Michaelsen, Auteur ; I. Byrkjedal, Auteur

Dans Ardea (90(1) SPR 2002)

When attacked by predators many bird species form flocks, within which individuals may reduce risk by specific positioning behaviour. Shorebird flocks often attempt to escape raptor attacks by twisting and turning in coordinated flights. We stud[...]

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