TY - RPRT TI - Movements of wintering surf scoters: Predator responses to different prey landscapes AU - M. Kirk AU - Daniel Esler AU - S. A. Iverson AU - W. S. Boyd PY - 2008 DO - 10.1007/s00442-007-0947-0 UR - https://pubs.usgs.gov/publication/70031780 ID - 70031780 ER -