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Cetacean stranding, commonly known as beaching, is a phenomenon in which whales and dolphins strand themselves on land, usually on a beach. Beached whales often die due to dehydration , collapsing under their own weight, or drowning when high tide covers the blowhole . [ 1 ]
English-speaking scientists most often use the term "killer whale", although the term "orca" is increasingly used. Killer whale advocates point out it has a long heritage. Indeed, the genus name Orcinus means "of the kingdom of the dead". Killer whales are apex predators, meaning that they themselves have no natural predators. They are ...
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.
A pod of orcas thrilled onlookers on Fox Island, Washington State, the creatures putting on a remarkable display as they breached repeatedly.Footage filmed by David Cope, who said the event ...
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Equally concerning is the list of toxic chemicals the orcas have accumulated in their bloodstream over years of living in industrially-polluted waters. Most notorious of these are PCBs, which may be responsible for deformities resulting in miscarriages and stillbirths, exemplified by Tahlequah's calf in 2018. [ 31 ]
Female orcas can live up to 90 years, and male orcas live up to 60 years. Whales can communicate through sounds ranging from clicks, whistles and pulsed calls. These loveable creatures are highly ...