Winter body mass and over-ocean flocking as components of danger management by Pacific dunlins

• Main Authors: Ydenberg, Ronald C, Dekker, Dick, Kaiser, Gary, Shepherd, Philippa CF, Ogden, Lesley, Rickards, Karen, Lank, David B
• Format: Article in Journal/Newspaper
• Language: English
• Published: BioMed Central Ltd. 2010
• Subjects: Fraser River; Pacific; Calidris alpina; Falco peregrinus
• Online Access: http://www.biomedcentral.com/1472-6785/10/1

Abstract Background We compared records of the body mass and roosting behavior of Pacific dunlins ( Calidris alpina pacifica ) wintering on the Fraser River estuary in southwest British Columbia between the 1970s and the 1990s. 'Over-ocean flocking' is a relatively safe but energetically-e...