Common Merganser
Mergus
merganser
Common in freshwater habitats in King County, mostly at low and moderate elevations but with a few records from high-elevation forest zones. No "confirmed" BBA records in Kitsap County, and apparently absent from Island County as breeder. In Kittitas County, common in larger river corridors, on large lakes, and along Columbia River. Requires nesting cavities in good-sized trees, preferably adjacent to fairly large rivers or large lakes.
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