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Swinhoe's Storm-petrel (Hydrobates monorhis)Where and when to see it in the UK

Vagrant · reporting peaks July · Northern Storm Petrels · BOU category A

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

Swinhoe's Storm-petrel (Hydrobates monorhis)
Joseph Smit, Public domain, 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.

Swinhoe's Storm-petrel: 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.

Swinhoe's Storm-petrel has been recorded in 4 of the 2,971 10 km squares covering UK land (0%) in records to 2026. Vagrant in the UK. Reporting peaks in July.

Conservation status: Near Threatened (IUCN Red List, NT)
View on the IUCN Red List

Records by 10 km square

SquareWhereRecordsYearsVerified
HZ27Shetland Islands, Scotland72013 to 2017unverified
SD45Lancashire, England22013unverified
HZ17Shetland Islands, Scotland12013unverified
NJ90Aberdeen City, Scotland12000unverified

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.