Seymour NR, Mitchell SC. 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. Wildfowl [Internet]. 2013 Apr. 16 [cited 2025 Dec. 17];:79-93. Available from: https://tidsskrift.dk/Wildfowl/article/view/153975