Red-breasted merganser

Erieau, Ontario, Canada, April 9, 2019.

Mergus serrator
Red-breasted Mergansers need to eat 15 to 20 fish per day, which researchers suggest means they need to dive underwater 250–300 times per day or forage for 4–5 hours to meet their energy needs.
source - https://www.allaboutbirds.org/guide/Red-breasted_Merganser/overview

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