Seymour, Norman R
-
Wildfowl 43 - Standard Papers
Interspecific territoriality and competitive interactions between American Black Ducks Anas rubripes and Mallard A. platyrhynchos
Abstract PDF -
Wildfowl 56 - Standard Papers
American Black Duck Anas rubripes and Mallard A. platyrhynchos abundance,occurrence of heterospecifi c pairing and wetland use between 1976 and 2003 in Northeastern Nova Scotia, Canada
Abstract PDF