Warbla

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Northern Harrier

Circus hudsonius · Family Accipitridae

Circus hudsonius

Family Accipitridae

Order
Accipitriformes
Family
Accipitridae
GBIF occurrence records
3,904,535
Countries and territories with records
42
Northern Harrier
Becky Matsubara from El Sobrante, California · Circus hudsonius, male perched, Berkeley, California (cropped).jpg · CC BY 2.0 · Becky Matsubara from El Sobrante, California · CC BY 2.0 · Wikimedia Commons · Recordings may be trimmed and re-encoded; photos are cropped and resized.

About this species

This species has 3,904,535 occurrence records from 42 countries and territories (GBIF, 21 October 2026). Most records come from the United States (83.5%) and Canada (15.5%); together they account for 99% of the total. In the United States, this species accounts for 0.29% of all bird records in GBIF.

The scientific name Circus hudsonius combines the genus name Circus with the species epithet hudsonius. The Warbla app catalog lists 16 species of the genus Circus; apart from this one, those with the most GBIF records are Circus cyaneus, Circus aeruginosus and Circus pygargus.

The catalog has GBIF record counts for 195 species of the family Accipitridae. This species ranks 6th among them; the family’s most-recorded species is Buteo jamaicensis. Its record count is 9.5 times the family average (411,236). The family Accipitridae belongs to the order Accipitriformes, which has 213 species in the Warbla app catalog.

More birds in the family Accipitridae

Credits & data sources