Data Zone
Taxonomic note
Hydrobates furcatus (del Hoyo and Collar 2014) was previously placed in the genus Oceanodroma as O. furcata.
Taxonomic source(s)
Brooke, M. de L. 2004. Albatrosses and Petrels Across the World. Oxford University Press, Oxford.
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 1: Non-passerines. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | - |
| Year | Category | Criteria |
|---|---|---|
| 2020 | Least Concern | |
| 2018 | Least Concern | |
| 2016 | Least Concern | |
| 2012 | Least Concern | |
| 2009 | Least Concern | |
| 2008 | Least Concern | |
| 2004 | Least Concern | |
| 2000 | Lower Risk/Least Concern | |
| 1994 | Lower Risk/Least Concern | |
| 1988 | Lower Risk/Least Concern |
| Migratory status | full migrant | Forest dependency | does not normally occur in forest |
| Land-mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 22,400,000 km2 | |
| Extent of Occurrence (non-breeding) | 19,600,000 km2 | |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | 4000000 mature individuals | poor | estimated | 2004 |
| Population trend | increasing | - | suspected | - |
| Generation length | 12.2 years | - | - | - |
Population justification: The global population is estimated to number more than 6 million individuals (Brooke 2004), which equates to more than 4 million mature individuals.
Trend justification: The species is undergoing a large, significant increase (Partners in Flight 2019), as several islands have been recolonised following the eradication of introduced predators.
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Canada | extant | native | yes | |||
| Japan | extant | native | ||||
| Russia | extant | native | yes | |||
| Russia (Asian) | extant | native | yes | |||
| United States Minor Outlying Islands (to USA) | extant | native | ||||
| USA | extant | native | yes |
| Country/Territory | IBA Name |
|---|---|
| Canada | Duke of Edinburgh Ecological Reserve |
| Canada | Englefield Bay Islands |
| Canada | Gillam Island |
| Canada | Moore and Byers Islands and Banks |
| Russia (Asian) | Kuril islands (between Urup and Paramushir) |
| USA | Amagat & Umga Island Colonies |
| USA | Baby Islands & Akutan Pass Colonies |
| USA | Barren Islands Colonies |
| USA | Bering Sea Shelf Edge 173W58N |
| USA | Bering Sea Shelf Edge 178W61N |
| USA | Buldir & Near Islands Marine |
| USA | Buldir Island Colony |
| USA | Forrester Island Colonies |
| USA | Koniuji-Atka Island Colony |
| USA | Semidi Islands Colonies |
| USA | Shumagin Islands Marine |
| USA | St George Island Marine |
| USA | St Lazaria Island Colony |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Grassland | Temperate | major | breeding |
| Marine Neritic | Macroalgal/Kelp | suitable | non-breeding |
| Marine Neritic | Macroalgal/Kelp | suitable | breeding |
| Marine Neritic | Pelagic | major | breeding |
| Marine Neritic | Pelagic | major | non-breeding |
| Marine Neritic | Seagrass (Submerged) | suitable | non-breeding |
| Marine Neritic | Seagrass (Submerged) | suitable | breeding |
| Marine Neritic | Subtidal Loose Rock/pebble/gravel | suitable | non-breeding |
| Marine Neritic | Subtidal Loose Rock/pebble/gravel | suitable | breeding |
| Marine Neritic | Subtidal Rock and Rocky Reefs | suitable | non-breeding |
| Marine Neritic | Subtidal Rock and Rocky Reefs | suitable | breeding |
| Marine Neritic | Subtidal Sandy | suitable | breeding |
| Marine Neritic | Subtidal Sandy | suitable | non-breeding |
| Marine Neritic | Subtidal Sandy-Mud | suitable | non-breeding |
| Marine Neritic | Subtidal Sandy-Mud | suitable | breeding |
| Marine Oceanic | Epipelagic (0-200m) | major | non-breeding |
| Marine Oceanic | Epipelagic (0-200m) | major | breeding |
| Marine Oceanic | Mesopelagic (200-1000m) | major | non-breeding |
| Marine Oceanic | Mesopelagic (200-1000m) | major | breeding |
| Rocky areas (eg. inland cliffs, mountain peaks) | major | breeding | |
| Altitude | Occasional altitudinal limits |
| Threat (level 1) | Threat (level 2) | Impact and Stresses | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Invasive and other problematic species, genes & diseases | Invasive non-native/alien species/diseases - Vulpes lagopus | Timing | Scope | Severity | Impact | ||||
| Ongoing | Minority (<50%) | Rapid Declines | Medium Impact: 6 | ||||||
|
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Recommended citation
BirdLife International (2024) Species factsheet: Fork-tailed Storm-petrel Hydrobates furcatus. Downloaded from
https://datazone.birdlife.org/species/factsheet/fork-tailed-storm-petrel-hydrobates-furcatus on 21/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 21/12/2024.