TY - RPRT TI - Dietary flexibility in three representative waterbirds across salinity and depth gradients in salt ponds of San Francisco Bay AU - John Y. Takekawa AU - A.K. Miles AU - D. C. Tsao-Melcer AU - D. H. Schoellhamer AU - S. Fregien AU - N.D. Athearn PY - 2009 DO - 10.1007/s10750-009-9743-7 UR - https://pubs.usgs.gov/publication/70034976 ID - 70034976 ER -