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nestingbiology
birds
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2 dossier(s) trouvé(s) portant l’étiquette "predators" (les projets pluriannuels sont regroupés):
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The Role of Predation in Nesting Success of Black Brant and Lesser Snow Geese
chercheur principal: Armstrong, Terry
Année(s) de permis: 1993 1992 1991
Résumé: This study will entail observing glaucous gulls as they prey on nesting black brant and lesser snow geese. The researcher will attempt to determine why the gulls seem to be more successful when attacking brant nests than snow geese. No birds will be killed or removed during this study....
Année(s) de permis: 1993 1992 1991
Résumé: This study will entail observing glaucous gulls as they prey on nesting black brant and lesser snow geese. The researcher will attempt to determine why the gulls seem to be more successful when attacking brant nests than snow geese. No birds will be killed or removed during this study....
Breeding Biology of the Harris' Sparrow and White-crowned Sparrows in the Thelon Game Sanctuary, N.W.T.
chercheur principal: Norment, Christopher
Année(s) de permis: 1991 1990
Résumé: Mr. Norment is studying the breeding biology of the Harris' Sparrow and White-crowned Sparrow. He will be collecting data on any physical (such as weather, food supply, nest-site, predators) or genetic (such as number of eggs, breeding cycle, condition of females) factors....
Année(s) de permis: 1991 1990
Résumé: Mr. Norment is studying the breeding biology of the Harris' Sparrow and White-crowned Sparrow. He will be collecting data on any physical (such as weather, food supply, nest-site, predators) or genetic (such as number of eggs, breeding cycle, condition of females) factors....
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