TY - RPRT TI - Are corticosterone levels a good indicator of food availability and reproductive performance in a kittiwake colony? AU - Richard B. Lanctot AU - Scott A. Hatch AU - Verena A. Gill AU - Marcel Eens PY - 2003 DO - 10.1016/s0018-506x(03)00030-8 UR - https://pubs.usgs.gov/publication/70025758 ID - 70025758 ER -