Breeding Ecology of Sympatric Greater and Lesser Scaup (Aythya marila and Aythya affinis) in the Subarctic Northwest Territories

• Published in: ARCTIC
• Main Authors: Fournier, Michael A., Hines, James E.
• Format: Article in Journal/Newspaper
• Language: English
• Published: The Arctic Institute of North America 2001
• Subjects: Aythya affinis; Aythya marila; boreal forest; egg success; greater scaup; lesser scaup; hatchability; nest success; Northwest Territories; Subarctic; forêt boréale; succès de la ponte; fuligule milouinan; petit fuligule; éclosabilité; success de la nidification; Territoires du Nord-Ouest; Subarctique; Grand lac des Esclaves; Great Slave Lake; Arctic; Grand Lac des Esclaves; North Arm; subarctique*; Esclave*
• Online Access: https://journalhosting.ucalgary.ca/index.php/arctic/article/view/63858

We studied the breeding ecology of greater and lesser scaup on islands of the North Arm of Great Slave Lake, Northwest Territories, and on the nearby mainland during 1990-98. The occurrence of nests of both species on the North Arm islands was determined primarily by the distribution of nesting gull...