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Observations of a distinctive morphotype of killer whale (Orcinus orca), type D, from subantarctic waters
Studies have shown that killer whale (Orcinus orca) communities in high latitudes regularly comprise assemblages of sympatric ‘ecotypes’—forms that differ in morphology, behavior, and preyExpand
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Movements and dive behaviour of a toothfish‐depredating killer and sperm whale
&NA; Depredation of demersal longlines by killer and sperm whales is a widespread behaviour that impacts fisheries and whale populations. To better understand how depredating whales behave inExpand
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New insights into the northward migration route of gray whales between Vancouver Island, British Columbia, and southeastern Alaska
The route taken by northward migrating gray whales during spring between Vancouver Island and southeastern Alaska, a distance of about 575 km, has long been uncertain. It is generally believed thatExpand
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Occurrence of Fin Whales (Balaenoptera physalus) Between Vancouver Island and Continental North America
Abstract Historically, Fin Whales (Balaenoptera physalus) were relatively common off the west coast of North America but very few records of their occurrence in waters between Vancouver Island andExpand
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Infanticide in a mammal-eating killer whale population
Infanticide can be an extreme result of sexual conflict that drives selection in species in which it occurs. It is a rarely observed behaviour but some evidence for its occurrence in cetaceans existsExpand
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Enigmatic megafauna: type D killer whale in the Southern Ocean.
In 1955, 17 killer whales (Orcinus orca) stranded on a beach in Paraparaumu, New Zealand. From the grainy, black and white photographs (Fig. 1), it was clear that they were not typical killer whales:Expand
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Decadal changes in adult size of salmon-eating killer whales in the eastern North Pacific
Two populations of killer whales aggregate around Vancouver Island to feed primarily on Chinook salmon. Aerial photogrammetry of endangered southern residents has documented some adults growing toExpand
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Vocalizations of common minke whales (Balaenoptera acutorostrata) in an eastern North Pacific feeding ground
The minke whale (Balaenoptera acutorostrata) is the smallest species of baleen whale and has a cosmopolitan distribution. Despite extensive study on the vocalizations of other balaenopterids, theExpand
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First record of common bottlenose dolphin (Tursiops truncatus) in Canadian Pacific waters
BackgroundCommon bottlenose dolphins (Tursiops truncatus) are distributed globally in tropical and warm-temperate waters with coastal and offshore ecotypes known. In the eastern North Pacific Ocean,Expand
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