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The southern resident orcas, also known as the southern resident killer whales (SRKW), are the smallest of four communities of the exclusively fish-eating ecotype of orca in the northeast Pacific Ocean. The southern resident orcas form a closed society with no emigration or dispersal of individuals, and no gene flow with other orca populations. [1]
While there is no record of southern resident orcas eating harbor porpoises, at least 78 incidents have been recorded since 1962 involving orcas harassing harbor porpoises, of which 28 resulted in the porpoise's death; it has never been confirmed whether this is the result of competition for food, rough play, or true aggression. [9]
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Resident orcas can be divided into at least three distinct communities; northern, southern and southern Alaskan. Southern Alaskan resident orcas are distributed from southeastern Alaska to the Kodiak Archipelago and number over 700 individuals.
In early November, Giles said she saw a southern resident killer whale exhibit the salmon-on-head behavior — the second recent observation of it. She’s not sure if the whale she saw was J27 or ...
Southern resident orcas. In terms of cetaceans, both toothed and baleen whales inhabit the coastal waters of the Salish Sea and the offshore waters of Washington and British Columbia. Of these, the orca is the most famous, with humpback whales and gray whales also well known in the area. Most cetaceans, however, are usually seen in the area ...
Tahlequah (born c. 1998), also known as J35, is an orca of the southern resident community in the northeastern Pacific Ocean. She has given birth to three known offspring, a male (Notch) in 2010, a female (Tali) in 2018, and another male (Phoenix) in 2020.
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