English: Geographical distribution of American black duck.
Breeding
Year-round
Nonbreeding
Date
Source
Longcore, J. R., D. G. McAuley, G. R. Hepp, and J. M. Rhymer (2000). American Black Duck (Anas rubripes), version 2.0. In The Birds of North America (A. F. Poole and F. B. Gill, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA.
https://doi-org.acces.bibl.ulaval.ca/10.2173/bna.481
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