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Article

Diet change inferred from stable-isotopes in springstaging Greater Snow Geese

G. Gauthier, Auteur ; K. Hobson, Auteur ; J. Bety, Auteur

Dans Journal of Ornithology (147(5, Suppl. 1) AUG 2006)

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Article

Effects of nest visits on predator activity and predation rate in a Greater Snow Goose colony

J. Bety, Auteur ; G. Gauthier, Auteur

Dans Journal of Field Ornithology (72(4) FAL 2001)

We assessed the effect of nest visits by researchers oil the activity of nest predators and predation rate of eggs in a High Arctic Greater Snow Goose (Chen caerulescens atlantica) colony. The study was conducted in years of moderate (1996) and [...]

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Article

Irruptive movements and breeding dispersal of snowy owls: a specialized predator exploiting a pulsed resource

J.-F. Therrien, Auteur ; G. Gauthier, Auteur ; D. Pinaud, Auteur ; J. Bety, Auteur

Dans Journal of Avian Biology (45(6) NOV 2014)

Mobility and irruptive movements have been proposed as mechanisms that could allow some diet specialists to inhabit and breed in environments with highly unpredictable resources, like the arctic tundra. The snowy owl, one of the main avian preda[...]

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