TY - RPRT TI - Phenology and duration of remigial moult in Surf Scoters ( Melanitta perspicillata ) and White-winged Scoters ( Melanitta fusca ) on the Pacific coast of North America AU - Rian D. Dickson AU - Daniel Esler AU - Jerry W. Hupp AU - E.M. Anderson AU - J.R. Evenson AU - J. Barrett PY - 2012 DO - 10.1139/z2012-061 UR - https://pubs.usgs.gov/publication/70041067 ID - 70041067 ER -