Common Merganser

Common Merganser Mergus merganser

Range map: Breeding

Common Merganser, Range map: Breeding
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Data provided by eBird

Common Merganser

Mergus merganser

Range: Breeding

This map depicts the range boundary, defined as the areas where the species is estimated to occur at a rate of 5% or more for at least one week within the breeding season.  Learn more

Occurrence
Breeding season
Season date range
Jun 7 - Sep 28 Learn more