OTHER NAMES: Ring-tailed Hawk
Latin Etymology: Circus (bird named for circling flight) hudsonius (of the Hudson Bay)
Adult male Northern Harrier (Circus hudsonius) in the Southern Bay Area, California - September 2022
Featured Subspecies: N/A
Weight: 350-530g / Length: 43-58cm / Wingspan: 97-122cm
NO UK STATUS / IUCN Red List: Least Concern
Formerly considered a subspecies of the Hen Harrier, it is the only regularly occuring harrier species of North America and in actuality is more closely related to the Cinereous Harrier of South America than the Hen. Unlike the Hen Harrier in the UK, it is a very widely distributed species found at various times of the year from tundra to tropics.
Related Species:
Order: Accipitriformes
Family: Accipitridae
Genus: Circus
SUBSPECIES: none - monotypic
- Sighting Locations -
Found throughout the Continental united States,
- CALIFORNIA 2022 TRIP: Seen from moving car approaching South end of the Bay Area
Further Notes: BirdForum Opus, IUCN Red List, RSPB, Wikipedia, Xeno-canto
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