TY - RPRT TI - Predator exclusion methods for managing endangered shorebirds: Are two barriers better than one? AU - Robert K. Murphy AU - R. J. Greenwood AU - Jacob S. Ivan AU - Karen A. Smith PY - 2003 DO - 10.1675/1524-4695(2003)026[0156:pemfme]2.0.co;2 UR - https://pubs.usgs.gov/publication/1001863 ID - 1001863 ER -