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The GOA/AI/BS stock may number around 500 whales while the west coast transients number over 320 orcas with over 200 along southeast Alaska, British Columbia and Washington and over 100 orcas off California. [23]
Orcas also prey on larger species such as sperm whales, grey whales, humpback whales and minke whales. [ 84 ] [ 40 ] On three separate occasions in 2019 orcas were recorded to have killed blue whales off the south coast of Western Australia, including an estimated 18–22-meter (59–72 ft) individual. [ 89 ]
25 of the 33 orcas on display in the US, Argentina, Spain, and France were born in captivity. Six of the seven displayed in Japan are captive-born. An additional 13 orcas reported in China and Russia were captured in Russian waters. [citation needed] Kalina, born in September 1985, was the first captive-born orca calf to survive more than a few ...
The research vessel Noctiluca of the Northwest Fisheries Science Center in close proximity to an orca. 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.
Two species of small sperm whales occur in California's waters. Pygmy sperm whale, Kogia breviceps; Dwarf sperm whale, Kogia sima; Order: Cetacea Family: Physeteridae. One species of sperm whale occur in California's waters. Sperm whale, Physeter macrocephalus; Order: Cetacea Family: Ziphiidae. Seven species of beaked whales occur in California ...
Orcas, also known as killer whales, live in groups called pods, which can be made up of three to 20 whales, the park said. ... Along the California coast, there are three ecotypes of orca: ...
An approximate map of the Channel Islands' land extent roughly 14,000 years ago, showing their historical connection to each other. While they are currently separated from mainland California by a 230 meters (750 feet) deep channel, at this point in history they were only 7.8 kilometers (4.8 miles) from the mainland compared to the modern 19 ...
California waters are also home to eleven species of dolphins, including the short-beaked common dolphin and the Pacific white-sided dolphin. A dozen species of whales live in California, including the killer whale and the gray whale. At least 34 species of sharks have been recorded off the California coast, including great whites and tiger ...