TY  - RPRT
TI  - Herring gull predation on red-breasted merganser ducklings
AU  - B.M. Braun
AU  - P.A. Heinz
AU  - G. H. Heinz
PY  - 1980
UR  - https://pubs.usgs.gov/publication/5221627
ID  - 5221627
ER  -