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Resident (fish-eating) orcas: The curved dorsal fins are typical of resident females. Resident: These are the most commonly sighted of the three populations in the coastal waters of the northeast Pacific. Residents' diets consist primarily of fish [6] and sometimes squid, and they live in complex and cohesive family groups called pods. [7]
"Social Organization and Genealogy of Resident Killer Whales (Orcinus orca) in the Coastal Waters of British Columbia and Washington State". Report of the International Whaling Commission (Special Issue 12). Cambridge: 383– 405. ISSN 0255-2760. Colby, Jason M. (2018). Orca: how we came to know and love the ocean's greatest predator.
Michael Andrew Bigg (December 22, 1939 – October 18, 1990) was an English-born Canadian marine biologist who is recognized as the founder of modern research on killer whales. [1] With his colleagues, he developed new techniques for studying killer whales and, off British Columbia and Washington , conducted the first population census of the ...
The orca (Orcinus orca), or killer whale, is a toothed whale and the largest member of the oceanic dolphin family. It is the only extant species in the genus Orcinus and is recognizable by its black-and-white patterned body. A cosmopolitan species, it is found in diverse marine environments, from Arctic to Antarctic regions to tropical seas.
The northern resident population consists of three clans (A, G, R) that consists of several pods with one or more matrilines within each pod. The northern residents are genetically distinct from the southern resident orcas and their calls are also quite distinct.
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Initially named Walter the Whale, [144] [145] this orca was taken into captivity during the Yukon Harbor orca capture operation, which was the first planned, deliberate trapping of a large group of orcas (killer whales). 15 southern resident orcas were trapped by Ted Griffin and his Seattle Public Aquarium party on 15 February 1967, in Yukon ...