Seymour, N. R. and Mitchell, S. C. (2013) “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, pp. 79–93. Available at: https://tidsskrift.dk/Wildfowl/article/view/153975 (Accessed: 17 December 2025).