Canvasback Aythya valisineria

Sections

Systematics

Geographic Variation

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Recommended Citation

Canvasback (Aythya valisineria), In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. retrieved from Neotropical Birds Online: https://neotropical.birds.cornell.edu/Species-Account/nb/species/canvas