Red-breasted Merganser

Red-breasted Merganser Mergus serrator

Range map: Post-breeding migration

Red-breasted Merganser, Range map: Post-breeding migration
The Cornell Lab logo
Data provided by eBird

Red-breasted Merganser

Mergus serrator

Range: Post-breeding migration

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 post-breeding migration season.  Learn more

Occurrence
Post-breeding migratory season
Season date range
Jul 27 - Dec 14 Learn more