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The attacks are the latest in a long series of incidents involving killer whales over the last few years.
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Wild orcas have been documented on multiple occasions making food 'offerings' to humans.
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SETI has been taking inspiration from the mysterious communications of a well known ocean-dwelling mammal.
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Local authorities are struggling to explain the sudden and anomalous increase in whale deaths.
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The unexplained behavior has resulted in more than 700 cases of killer whales attacking and damaging boats.
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Sailors off the Iberian coast have been attempting to find ways to protect their boats from being attacked by killer whales.
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Experts have been attempting to determine what gave the unusual ocean-dwelling giant its distinct coloration.
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The whale, which was spotted off the coast of Norway, is thought to have escaped from a Russian military facility.
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Rainer Schimpf had been filming a sardine run when he inadvertently ended up in the mouth of a huge whale.
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A wildlife photographer recently captured the moment a whale's blowhole spray produced a spectacular rainbow.
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A 14-year-old orca named Wikie has succeeded in imitating some of the words spoken by her trainer.
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Scientists have linked the brain size of cetaceans to the 'human-like' nature of their social behaviors.
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The ancestors of today's blue whales were deadly predators with rows of large, razor-sharp teeth.
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They may be giants of the deep today, but blue whales only gained their huge size 2-3 million years ago.
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In a peculiar change to their normal behavior, humpback whales have been seen congregating en masse.
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Three elusive True's beaked whales have been captured on camera during an expedition to the Azores.
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Volunteers have been struggling to refloat hundreds of whales after two consecutive mass strandings.
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Migaloo, one of only four known white humpbacks in existence, has surfaced once again near Australia.
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Researchers have managed to record the first ever footage of one of the world's most elusive whales.
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Scientists have identified the genes that enable these aquatic mammals to live in excess of 200 years.