Northern Harrier

Northern Harrier Circus hudsonius

Range map

Northern Harrier, Range map
The Cornell Lab logo
Data provided by eBird

Northern Harrier

Circus hudsonius

Range

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 each season.  Learn more

Occurrence
Year-round
Breeding season
Jun 7 - Jul 20
Non-breeding season
Dec 21 - Feb 8
Pre-breeding migratory season
Feb 15 - May 31
Post-breeding migratory season
Jul 27 - Dec 14
Note: Seasonal ranges overlap and are stacked in the order above; view full range in season maps.
Seasons timeline
Learn more