Bill morphology in American Black Ducks, Anas rubripes, and Mallards, A. platyrhynchos
Bélanger, Luc Tremblay, S. Couture, R.
Article
1988
The Canadian field-naturalist
102
Issue: 4
720--722
New York Botanical Garden, LuEsther T. Mertz Library
English
Ottawa Ottawa Field-Naturalists' Club
DOI: https://doi.org/10.5962/p.356661
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