Northern Harrier

Circus hudsonius (Linnaeus, 1766) 2612
Family: Accipitriformes > Accipitridae

The North American counterpart of Hen Harrier (and until recently considered a subspecies of it), Northern Harrier is an extremely rare visitor to Britain & Ireland.

Select a topic for more facts and statistics about the Northern Harrier

• Breeding
• Winter

130 records

BTO RECORDS

130 records

BTO RECORDS

Identification

Status and Trends

Population size and trends and patterns of distribution based on BTO surveys and atlases with data collected by BTO volunteers.

CONSERVATION STATUS

This species can be found on the following statutory and conservation listings and schedules.

IUCN Red List of Threatened Species (global)	Least Concern
Schedule 1 license required (to disturb)	No
Birds Directive Annex 1	No

POPULATION SIZE

We have no population estimates for this scarce species.

BOU Category	A
First Record	Isles of Scilly, 1982

Movement

Information about movement and migration based on online bird portals (e.g. BirdTrack), Ringing schemes and tracking studies.

Biology

Lifecycle and body size information about Northern Harrier, including statistics on nesting, eggs and lifespan based on BTO ringing and nest recording data.

PRODUCTIVITY & NESTING

Sample sizes are too small to report Productivity and Nesting statistics for this species.

CODES & CLASSIFICATION

Field Codes

5-letter code: | Euring: 2612

For information in another language (where available) click on a linked name

Catalan: arpella pàl·lida americana

Danish: Amerikansk Kærhøg

Dutch: Amerikaanse Blauwe Kiekendief

Estonian: ameerika loorkull

French: Busard des marais

German: Hudsonweihe

Italian: Albanella americana

Polish: blotniak amerykanski

Portuguese: tartaranhão-azulado

Slovak: kana americká

Spanish: Aguilucho de Hudson

Swedish: amerikansk kärrhök