Swinhoe's Storm Petrel
Introduction
Previously known only to nest in the Pacific and Indian Oceans, the discovery of birds in Tyne & Wear in 1989 during a bird ringing session was a major surprise.
Analyses of blood samples taken from an individual captured at the same site in 1991, confirmed that this was a Swinhoe's Storm Petrel and indicated a match to birds sampled in Russia and Korea.
It has been suggested that the species may be breeding in the North Atlantic.
Key Stats
Status and Trends
Conservation Status
Population Size
Population Change
Population trends of this scarce species are not routinely monitored.
Distribution
This vagrant is too rarely reported to map distribution.
Distribution Change
This vagrant is too rarely reported to map distribution change.
Seasonality
This species has been too rarely reported to BirdTrack during 2011–22 to properly assess seasonality.
Movement
Britain & Ireland movement
Foreign locations of birds ringed or recovered in Britain & Ireland
Dots show the foreign destinations of birds ringed in Britain & Ireland, and the origins of birds ringed overseas that were subsequently recaptured, resighted or found dead in Britain & Ireland. Dot colours indicate the time of year that the species was present at the location.
- Winter (Nov-Feb)
- Spring (Mar-Apr)
- Summer (May-Jul)
- Autumn (Aug-Oct)

Biology
Survival and Longevity
Survival is shown as the proportion of birds surviving from one year to the next and is derived from bird ringing data. It can also be used to estimate how long birds typically live.
View number ringed each year in the Online Ringing Report.
lifespan
Classification, names and codes
Classification and Codes
- Order: Procellariiformes
- Family: Hydrobatidae
- Scientific name: Hydrobates monorhis
- Authority: Swinhoe, 1867
- BTO 2-letter code: OM
- BTO 5-letter code: SWSPE
- Euring code number: 560
Alternate species names
- Catalan: ocell de tempesta de Swinhoe
- Czech: burnácek vlaštovcí
- Danish: Mørkrygget Stormsvale
- Dutch: Chinees Stormvogeltje
- Estonian: jaapani tormipääsu
- Finnish: pikkukeiju
- French: Océanite de Swinhoe
- German: Swinhoewellenläufer
- Hungarian: koreai viharfecske
- Icelandic: Marsvala
- Italian: Uccello delle tempeste di Swinhoe
- Latvian: Svinhu vetrasburatajs
- Lithuanian: skeltauodegis audrašauklis
- Norwegian: Japanstormsvale
- Polish: nawalnik brunatny
- Portuguese: painho-de-swinhoe
- Slovak: víchrovnícek malý
- Slovenian: japonski strakoš
- Spanish: Paíño de Swinhoe
- Swedish: Swinhoes stormsvala