Fork-tailed Storm-Petrel
(Oceanodroma furcata)


Picture of bird
© USFWS - Public Domain
For additional photos and vocalizations, visit Dendroica. (Link opens in a new window.)

In North America, the Fork-tailed Storm-Petrel breeds on islands in the North Pacific from California to Alaska. In Canada, it breeds on islands along the coast of British Columbia off the west coast of Vancouver Island, in Queen Charlotte Sound, and around the southeast and west coasts of Haida Gwaii. The Fork-tailed Storm-Petrel is common to abundant over the continental shelf and offshore waters of British Columbia between April and November. For all other months, the species is uncommon to rare in nearshore and offshore waters (Kenyon et al. 2009). Based on the year-round movements of a small number of tracked birds, captured at a nesting colony off the northwest coast of Vancouver Island, Fork-tailed Storm-Petrels appear to remain within the North Pacific/Gulf of Alaska throughout the entire year (Halpin et al. 2018). Monitoring data are insufficient to determine changes in the species' Canadian population status relative to 1970.


Main designations for the species
DesignationStatusDateSubspecies, population
IUCN (Global)Least concern2018 
Wild Species (Canada)Apparently secure2015 

Population status

Geographic area or populationPopulation change relative to ~1970ReliabilityStatus in relation to goal
CanadaData DeficientData DeficientData Deficient

Population estimate

Geographic area or populationPopulation estimate
Canada300,000 - 400,000 breeding birds

Distribution maps


Migration strategy, occurrence

Short-distance migrant

Responsibility for conservation

Geographic areaResponsibility based on % of global population

Conservation and management

Introduced predators (e.g., foxes, raccoons, rats) at breeding colonies are the biggest threat to storm-petrel colonies (Boersma and Silva 2001). Mercury contamination may be a concern for Fork-tailed Storm-Petrels in the western Aleutian Islands (Kaler et al. 2014). The Fork-tailed Storm-Petrel is widespread and abundant in North America. Despite the lack of monitoring data, the population does not appear to be threatened (Boersma and Groom 1993).


Bird conservation region strategies

Environment and Climate Change Canada and partners have developed Bird Conservation Region Strategies in each of Canada’s Bird Conservation Regions (BCRs). In these strategies, selected species are identified as priorities for one or more of the following reasons:

  • conservation concerns (i.e., species vulnerable due to population size, distribution, population trend, abundance, or threats)
  • stewardship responsibilities (i.e., species that typify the regional avifauna or have a large proportion of their range or population in the sub-region)
  • management concerns (i.e., species that require ongoing management because of their socio-economic importance as game species, or because of their impacts on other species or habitats)
  • other concerns (i.e., species deemed a priority by regional experts for other reasons than those listed above or because they are listed as species at risk or concern at the provincial level)

Select any of the sub-regions below to view the BCR strategy for additional details.

BCRs, marine biogeographic units, and sub-regions in which the species is listed as a priority
RegionSub-region and priority type