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The Salish Sea orcas have become an iconic natural treasure of the region and a symbol of the area's ecological productivity. Many whale watching organizations throughout the region target the orcas, including resident and transient groups, and often work with nonprofit organizations like the Center for Whale Research and The Whale Museum to ...
Implicated in the decline of the southern resident orca population, these widespread contaminants pose a large problem for conservation efforts. While many chemicals can be found in the tissues of orca, the most common are the insecticide DDT, polybrominated diphenyl ethers (PBDEs) and polychlorinated biphenyls (PCBs). [116]
Orcas, like this one near Alaska, commonly breach, often lifting their entire bodies out of the water. Day-to-day orca behaviour generally consists of foraging , travelling, resting and socializing. Orcas frequently engage in surface behaviour such as breaching (jumping completely out of the water) and tail-slapping.
Killer Whales: the natural history and genealogy of Orcinus orca in British Columbia and Washington (2nd ed.). Vancouver, BC: UBC Press. ISBN 9780774808002. Hoyt, Erich (2013). Orca: the whale called killer (eBook ed.). Richmond Hill, Ontario: Firefly Books Ltd. ISBN 9781770880672. Hubbard-Morton, Alexandra (2002).
Cowperthwaite notes the California Orca Protection Act, which bans the breeding or captivity of orcas, and a Canadian act prohibiting the captivity of marine mammals.
Pod of killer whales scuppered vessel in Strait of Gibraltar despite best efforts of search and rescue teams and the Moroccan Navy
Three to five types of orcas may be distinct enough to be considered different races, [1] subspecies, or possibly even species [2] (see Species problem). 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 genus Orcinus was published by Leopold Fitzinger in 1860, [4] its type species is the orca named by Linnaeus in 1758 as Delphinus orca.Taxonomic arrangements of delphinids published by workers before and after Fitzinger, such as John Edward Gray as Orca in 1846 and Orca (Gladiator) in 1870, are recognized as synonyms of Orcinus.