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Descrição arquivísticaThe Newfoundland Gannet Colony
The Newfoundland Gannet Colony
Breeding Gannets
Breeding Gannets
A census of Eider Ducks and other birds breeding on the Razades, Trois Pistoles
A census of Eider Ducks and other birds breeding on the Razades, Trois Pistoles
Intermittent Breeding of the Fulmar
Intermittent Breeding of the Fulmar
The Mackenzie River
The Mackenzie River
Records of Short-Billed Pulmars in the North Sea
Records of Short-Billed Pulmars in the North Sea
The So-called Northern Golden Plover
The So-called Northern Golden Plover
Intergroup selection in the evolution of Social Systems
Intergroup selection in the evolution of Social Systems
Intergroup selection in the evolution of Social Systems
Intergroup selection in the evolution of Social Systems
Survival of young swifts in relation of brood-size
Survival of young swifts in relation of brood-size
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