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

• Main Authors: Michael A. Fournier, James E. Hines
• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Published: 2001
• Subjects: Key words; Aythya affinis; Aythya marila; boreal forest; egg success; greater scaup; lesser scaup; hatchability; nest success; Northwest Territories; Subarctic; Great Slave Lake; Arctic; North Arm
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.487.6171; http://pubs.aina.ucalgary.ca/arctic/Arctic54-4-444.pdf

ABSTRACT. 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...