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Corky II, often referred to as just Corky, is a female captive orca from the A5 Pod of northern resident orcas. At approximately the age of four, Corky was captured from Pender Harbour off the coast of British Columbia on 11 December 1969. She has lived at SeaWorld San Diego in San Diego, California since 21 January 1987. As of 2024, she is the oldest and longest kept captive orca. SeaWorld San Diego celebrates her birthday on 1st January every year.
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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. The fish-eating ecotype was historically given the name 'resident,' but other ecotypes named 'transient' and 'offshore' are also resident in the same area.
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Tahlequah, also known as J35, is an orca of the southern resident community in the northeastern Pacific Ocean. She has given birth to four known offspring, a male (Notch) in 2010, a female (Tali) in 2018, another male (Phoenix) in 2020, and an unnamed female calf in 2024. Her second calf, Tali, died shortly after birth and J35 carried her body for 17 days in an apparent show of grief that attracted international attention. Her fourth calf died within days of her birth and was also carried by Tahlequah.
Orcas or killer whales have a cosmopolitan distribution and several distinct populations or types have been documented or suggested. Three to five types of orcas may be distinct enough to be considered different races, subspecies, or possibly even species. The IUCN reported in 2008, "The taxonomy of this genus is clearly in need of review, and it is likely that O. orca will be split into a number of different species or at least subspecies over the next few years." Although large variation in the ecological distinctiveness of different orca groups complicate simple differentiation into types. Mammal-eating orcas in different regions were long thought likely to be closely related, but genetic testing has refuted this hypothesis.
Beginning in 2020, a subpopulation of orcas began ramming boats and attacking their rudders in waters off the Iberian Peninsula. The behaviour has generally been directed towards slow-moving, medium-sized sailboats in the Strait of Gibraltar and off the Portuguese, Moroccan and Galician coasts. The novel behaviour is thought to have spread between different pods, with over 500 reported interactions from 2020 to 2023 attributed to fifteen different individual orcas.
References
- ↑ Felton, James (27 June 2023). "In 1987, Orcas Had A Fashion Of Wearing A Dead Salmon As A Hat". IFLScience. Archived from the original on 8 July 2023. Retrieved 5 January 2025.
- ↑ Whitehead, Hal; Rendell, Luke; Osborne, Richard W; Würsig, Bernd (December 2004). "Culture and conservation of non-humans with reference to whales and dolphins: review and new directions". Biological Conservation. 120 (3): 427–437. Bibcode:2004BCons.120..427W. doi:10.1016/j.biocon.2004.03.017.
- ↑ Pare, Sascha. "Orcas start wearing dead salmon hats again after ditching the trend for 37 years". Live Science. Retrieved 5 January 2025.
- ↑ Vikander, Tessa. "Why orcas wear dead salmon as 'hats' remains a mystery, scientists say". CBC News. Retrieved 5 January 2025.
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