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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]
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 southern resident pod is their normal traveling unit. The three southern resident pods form the single clan of this small killer whale community. The clan is possibly a single lineage that split into pods in the past. The clan has a unique stable dialect that shares no calls with other killer whale clans. [14]
Keet is a bull orca who was born on February 2, 1993, in SeaWorld San Antonio. "Keet" is a Tlingit language word meaning "orca". His parents are Kalina and Kotar. Keet currently measures about 20.6 feet (6.3 m) and weighs 8,900 pounds (4,000 kg).
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The genus Orcinus was published by Leopold Fitzinger in 1860, [4] its type species is the orca named by Linnaeus in 1758 as Delphinus orca.Taxonomic arrangements of delphinids published by workers before and after Fitzinger, such as John Edward Gray as Orca in 1846 and Orca (Gladiator) in 1870, are recognized as synonyms of Orcinus.
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.
The basis of the southern resident orca social structure is the matriline, consisting of a matriarch and her descendants of all generations. A number of matrilines form a southern resident orca pod, which is ongoing and extremely stable in membership, and has its own dialect which is stable over time. A southern resident calf is born into the ...