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The orcas that prefer marine mammal prey usually attack seals, sea lions, and small cetaceans, and have occasionally been seen preying on gray whale calves. The small, furry sea otter offers little nutrition for an orca; however, orcas are so large that a handful of individual whales on a diet of sea otters would account for the disappearance ...
The orca (Orcinus orca), or killer whale, is a toothed whale and the largest member of the oceanic dolphin family. It is the only extant species in the genus Orcinus and is recognizable by its black-and-white patterned body. A cosmopolitan species, it is found in diverse marine environments, from Arctic to Antarctic regions to tropical seas.
The U.S. National Marine Fisheries Service listed this distinct population segment of orcas as endangered, effective from 2005, under the Endangered Species Act. [2] In Canada the SRKW are listed as endangered on Species at Risk Act Schedule 1. [ 3 ]
Other killer whales feed on fish, octopus and marine mammals, but the diet of Southern Resident whales is almost entirely salmon. ... They are an endangered population, with just 72 orcas in all ...
An endangered orca vanished from a dwindling whale pod off the Washington coast, a conservation group said. The missing Southern Resident killer whale, K-26, was not seen by researchers during an ...
Researcher spent five decades studying the Pacific Northwest's endangered killer whales and help ended their captivity at marine parks.
His recommendation in the late 1970s that orcas be placed on the endangered list in Canada fueled interest in protecting the animals throughout the region. The first sanctuary specifically designed to protect cetaceans was established in 1982 in Robson Bight , part of Johnstone Strait , was dedicated in honor of Bigg.
In a city known for stunning views of Puget Sound, and where the fate of the endangered resident orcas is a common topic of conversation, catching glimpses of the enchanting creatures is still an ...