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[100] [101] [102] Orcas have been observed preying on terrestrial mammals, such as moose swimming between islands off the northwest coast of North America. [ 98 ] [ 103 ] Orca cannibalism has also been reported based on analysis of stomach contents, but this is likely to be the result of scavenging remains dumped by whalers. [ 104 ]
Northern resident orcas, also known as northern resident killer whales (NRKW), are one of four separate, non-interbreeding communities of the exclusively fish-eating ecotype of orca in the northeast portion of the North Pacific Ocean. They live primarily off the coast of British Columbia (BC), Canada, and also travel to southeastern Alaska and ...
At least 195 individual orcas have been cataloged in the eastern tropical Pacific, ranging from Baja California and the Gulf of California in the north to the northwest coast of South America in the south and west towards Hawaii. [31] Orcas appear to regularly occur off the Galápagos Islands. [32]
A study also found that Chinook salmon found in South Puget Sound have less fat than those farther north, causing an increased need for consumption. [114] Due to four dams in the Lower Snake River Dam System , native salmon flow has been heavily restricted, endangering both Chinook Salmon and Southern Resident Killer Whales.
A research flight south of Martha's Vineyard and Nantucket spotted seven different types of whales in unusually high numbers last month. Humpbacks, orcas, right whales: Unusual whale sightings ...
Orcas, also known as killer whales, live in groups called pods, which can be made up of three to 20 whales, the park said. Typically, orcas don’t stray from the pods they’re born in, according ...
Enlarged labels for legibility, simplified scale, removed north arrow. 21:34, 14 September 2015: 1,052 × 744 (233 KB) Hotshot977: Removed shore casings, enlarged nominal size, removed smallest islands, included nearby shore in scope. 01:12, 2 September 2015: 562 × 405 (987 KB) Hotshot977: User created page with UploadWizard
This is an accepted version of this page This is the latest accepted revision, reviewed on 20 January 2025. Taxonomic group of semi-aquatic mammals Pinnipeds Temporal range: Latest Oligocene – Holocene, 24–0 Ma Pre๊ ๊ O S D C P T J K Pg N Clockwise from top left: Grey seal (Halichoerus grypus), Steller sea lion (Eumetopias jubatus), New Zealand fur seal (Arctocephalus forsteri), walrus ...