Northern Harrier
Circus hudsonius
Species Migration
Data ProvidersHemispheric weekly distribution data from eBird at the Cornell Lab. Seasonal ranges derived from eBird and data from BirdLife International and Audubon. Learn more
Data Providers
Species Migrations
Hemispheric weekly distribution data from eBird at the Cornell Lab. Seasonal ranges derived from eBird and data from BirdLife International and Audubon.
The following partners contributed to the development of this map.
Data Sources
There are no sources to cite for this data.
How to contribute data to the Migratory Bird Initiative
If you are interested in sharing your data with the Migratory Bird Initiative, contact us at migratorybirds@audubon.org
To request information about the Migratory Bird Initiative
Requests for data should be directed to the contributing data holder or organization. If you’re interested in something else, please contact us at migratorybirds@audubon.org
Map Layers
Species Migration
See where this species travels throughout the year.
Bird Species
Locations
Conservation Challenges