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

• Published in: BMC Ecology
• Main Authors: Ydenberg, Ronald C, Dekker, Dick, Kaiser, Gary, Shepherd, Philippa C, Ogden, Evans L, Rickards, Karen, Lank, David B
• Format: Article in Journal/Newspaper
• Language: English
• Published: BioMed Central 2010
• Subjects: Pacific; Fraser River; Calidris alpina; Falco peregrinus
• Online Access: http://hdl.handle.net/2429/56520; https://doi.org/10.1186/1472-6785-10-1

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-expensive a...