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The UK Bird Atlas

Northern Harrier (Circus hudsonius)Where and when to see it in the UK

Scarce migrant · reporting peaks October · Kites, Old World Vultures, Eagles, and Hawks · BOU category A

Records to 2026-08-16 · build 2026-08-31

Northern Harrier (Circus hudsonius)
Paul Danese, CC BY-SA 4.0, via Wikimedia Commons

Too few records to rate squares by month. Each marked square has at least one record; the table below gives the count and years.

Northern Harrier: relative reporting rate by 10 km square, September

Contains OS data © Crown copyright and database right 2026 (grid squares, place names from OS Open Names). Northern Ireland place names: OSNI Open Data, OGL v3.0. County and country boundaries: Office for National Statistics, Open Government Licence v3.0. Coastline: Natural Earth. Bird records from the data partners listed here.

Northern Harrier has been recorded in 11 of the 2,971 10 km squares covering UK land (0%) in records to 2026. Scarce migrant in the UK. Reporting peaks in October.

Conservation status: Least Concern (IUCN Red List, LC)
View on the IUCN Red List

Records by 10 km square

SquareWhereRecordsYearsVerified
SW61Cornwall, England112023unverified
SW71Cornwall, England112023unverified
SW72Cornwall, England72023unverified
SV91Isles of Scilly, England12018unverified
HY75Sea, off Orkney Islands232008 to 2017unverified
TL48Cambridgeshire, England362013unverified
TL58Cambridgeshire, England42013unverified
TL29Cambridgeshire, England12013unverified
TF74Norfolk, England882010 to 2011unverified
TF84Norfolk, England32010unverified
SW32Cornwall, England12010unverified

Spotted an error in a square? Report it and it goes into the review queue. Read the methodology for how classes, flags and sensitive-species rules work. Data to 2026.