TY  - RPRT
TI  - Outcome of aggressive interactions between American black ducks and mallards during the breeding season
AU  - D.G. McAuley
AU  - D.A. Clugston
AU  - J. R. Longcore
PY  - 1998
DO  - 10.2307/3802271
UR  - https://pubs.usgs.gov/publication/5223324
ID  - 5223324
ER  -