Variation in structural size and wing stripe of Lesser and Greater scaup

• Published in: Canadian Journal of Zoology
• Main Authors: Wilson, Steven F., Ankney, C. Davison
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1988
• Subjects: Animal Science and Zoology; Ecology, Evolution, Behavior and Systematics; Stripe; Aythya marila; greater scaup
• Online Access: http://dx.doi.org/10.1139/z88-300; http://www.nrcresearchpress.com/doi/pdf/10.1139/z88-300

Heads, wings, and feet of Lesser Scaup (Aythya affinis) and Greater Scaup (Aythya marila) were obtained from 365 birds killed by hunters to investigate differences in structural size and in the intensity and extent of the white wing stripe. Twelve morphological measurements were taken on each bird a...