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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]
This page was last edited on 2 September 2022, at 21:56 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
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]
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This page was last edited on 1 September 2022, at 07:35 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
The Center for Whale Research announced the baby orca Friday on Facebook, saying the organization received photos showing what appears to be a new calf in L pod, part of the population known as ...
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 ...