TY - RPRT TI - Corticosterone facilitates begging and affects resource allocation in the black-legged kittiwake AU - Alexander S Kitaysky AU - John C. Wingfield AU - John F. Piatt PY - 2001 DO - 10.1093/beheco/12.5.619 UR - https://pubs.usgs.gov/publication/70022962 ID - 70022962 ER -