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Orcas are adopting terrifying new behaviors. Are they getting smarter?From sinking boats and feasting on shark livers to dining on whale tongue and tossing porpoises around for fun, orcas are displaying some fascinating — and sometimes terrifying — behaviors.
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Killer whales are teaming up with dolphins on salmon hunts, study finds — but not everyone agreesThere are eye-opening claims that orcas and dolphins are working together on salmon hunts and sharing food — but not everyone is convinced.
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Scientists find rare tusked whale alive at sea for the first time — and shoot it with a crossbowResearchers have identified ginkgo-toothed beaked whales alive at sea for the first time after years of searching, and in doing so solved the mystery of an odd echolocation pulse in the North Pacific.
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Incredible, first-of-their-kind images show an orca being born in Norway — and the rest of its pod forming a protective circleScientists with the Norwegian Orca Survey and Orca Channel have documented, for the first time and in astounding detail, the birth of an orca and the newborn's first hour.
42 Commentsorcas -
Orcas in the Gulf of California paralyze young great white sharks before ripping out their liversAn orca pod that made headlines last year for gutting a whale shark has struck again, this time perfecting a technique that involves paralyzing young great white sharks to eat their livers.
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'We completely freaked out': Orcas are attacking boats in Europe againIberian orcas have damaged several boats off the coast of Spain in recent weeks, leaving authorities scrambling to rescue stranded crews.
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Ancient predatory whale with big eyes and razor-sharp teeth was 'deceptively cute'Researchers have unveiled the fossils of a juvenile ancient whale that hunted off ancient Australia with large forward-facing eyes and razor-sharp teeth.
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No, blue whales aren't going silent off California. Here's why.Reports of blue whales going silent off California don't reflect the findings of a recent study.
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Watch a pod of orcas pretending to drown one of their own in macabre training sessionFootage from the BBC's new nature series "Parenthood" shows orcas practicing an important blue whale-hunting technique on each other.
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