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NRLD - 96656 | Orcinus orca

Assessment ID
96656
Taxon name
Orcinus orca
Linnaeus, 1758
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Orcinus orca
Linnaeus, 1758
Common name(s)
Killer Whale (English), Épaulard (Français)
Assessed taxon level
Population
Higher level taxonomic groupings
Vertebrates
Mammals
Kingdom
Animalia
Phylum
chordata
Class
mammalia
Order
cetacea
Family
delphinidae
Genus
Orcinus
Species
orca
Species authority
Linnaeus, 1758
Taxonomic notes and synonyms listed
Northern Resident Population
Location and scope
Specific locality or subnational name or regional name
Canada
Scope (of the Assessment)
National
Countries included within the scope of the assessment
Canada
Country ISO code(s)
CAN
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Threatened; Menacée
Qualifying criteria (if given)
D1
Criteria system used
Modified IUCN

(see Assessment details)

Assessment rationale/justification
The population is small, and is limited by the availability of its principal prey, Chinook Salmon. It is also at risk from physical and acoustical disturbance, oil spills and contaminants. However, this population has been increasing slowly but steadily since monitoring began in 1975.; Cette population est petite et est limitée par la disponibilité de sa principale proie, le saumon chinook. Elle est également menacée par les perturbations physiques et acoustiques grandissantes, les déversements d'hydrocarbures et les contaminants. Toutefois, cette population augmente lentement, mais de façon constante, depuis le début de son suivi en 1975.
Assessment details
Year assessed
2008
Assessors/contributors/reviewers listed
Committee on the Status of Endangered Wildlife in Canada. 2008. Environment Canada.
Criteria system used
Modified IUCN
Reference for methods given
COSEWIC- Committee on the Status of Endangered Wildlife in Canada (2008)
URL (link) of redlist assessment or publication
https://www.canada.ca/en/services/environment/wildlife-plants-species/species-risk.html
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Taxon distribution as listed in assessment
Pacific Ocean
Is there a map available in assessment?
Not_assigned
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Threats and conservation measures listed
Threats listed in assessment
No information available
History
The North Pacific resident populations were given a single designation of Threatened in April 1999. Split into three populations in November 2001. The Northern Resident population was designated Threatened in November 2001. Status re-examined and confirmed in November 2008.;
Publication
COSEWIC- Committee on the Status of Endangered Wildlife in Canada (2008)
COSEWIC. 2008. Canadian Wildlife Species at Risk. Committee on the Status of Endangered Wildlife in Canada. Web site: https://www.canada.ca/en/services/environment/wildlife-plants-species/species-risk.html