The word #aythya refers to sea-dwelling duck and #valisineria comes from the wild celery (Vallisneria americana), whose winter buds and #rhizomes are the #canvasback's preferred food during the nonbreeding period.
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The word #aythya refers to sea-dwelling duck and #valisineria comes from the wild celery (Vallisneria americana), whose winter buds and #rhizomes are the #canvasback's preferred food during the nonbreeding period.