Orcas or killer whales have a cosmopolitan distribution and several distinct populations or types have been documented or suggested. Three to five types...

the orca's conservation status as data deficient because of the likelihood that two or more orca types are separate species. Some local populations are...

southern resident orcas form a closed society with no emigration or dispersal of individuals, and no gene flow with other orca populations. The fish-eating...

populations of orcas (Orcinus orca). Primarily found in these nearshore waters are three major ecotypes: northern residents, southern residents, and transients...

waters of the Iberian Peninsula and is genetically distinct from other orca populations in the Northeast Atlantic. The orcas follow the seasonal migration...

Dozens of orcas (killer whales) are held in captivity for breeding or performance purposes. The practice of capturing and displaying orcas in exhibitions...

Orcas, or killer whales, are large predatory cetaceans that were first captured live and displayed in exhibitions in the 1960s. They soon became popular...

ecotype of orca in the northeast portion of the North Pacific Ocean. They live primarily off the coast of British Columbia (BC), Canada, and also travel...

Springer (born c. 2000), officially named A73, is a wild orca from the Northern Resident Community of orcas, which frequents the waters off the northern part...

population is considered as a single species, although previously recognised diversity of orca populations suggests a number of cryptic species and subspecies...