Sleeping with one eye open.

Female canvasback drifting in the marina but still aware of her surroundings and of me.



Aythya valisineria

The species name of the Canvasback, Aythya valisineria, comes from Vallisneria americana, or wild celery, whose winter buds and rhizomes are its preferred food during the nonbreeding period.

source - Cornell Lab of Ornithology.

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