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Dolphins are 'literally acting like jerks' by beating up baby manateesBottlenose dolphins have been observed trying to kill Antillean manatee calves, and researchers don't fully understand what's going on.
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Bird flu wipes out over 95% of southern elephant seal pups in 'catastrophic' mass deathOver 17,000 southern elephant seal pups were found dead on Argentina's Valdés Peninsula in a horrific mass die off attributed to the deadly H5N1 avian influenza virus.
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Whale with broken back spotted near Mexico after suspected ship collision will likely dieA humpback whale off Baja California Sur with a deformed spine was likely hit by a ship and the injury will probably be fatal, an expert told Live Science.
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Extremely rare dolphin with thumbs photographed in Greek gulfA dolphin with deformed flippers that look like thumbs was spotted in the Gulf of Corinth in July 2023. It likely acquired what appears to be a genetic defect during development in the womb, experts say.
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Dying orca's final moments after 'desperate' effort to stay afloat captured in 1st of its kind footageAn orca's final moments may have been captured on film for the first time, after repeated attempts by two young orcas to keep the old, dying male at the surface so he could breathe.
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Watch dolphins raid crab pots off Australia in never-before-seen footageDolphins in Koombana Bay, Western Australia, have learned how to raid crab pots being used for bait and remove the hooks, footage has revealed.
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Orcas sink another boat in Europe after a nearly hour-long attackFor the fourth time in two years, a group of unusually brazen orcas in southwestern Europe have sunk a sailing boat after relentlessly attacking it for almost an hour on Halloween.
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Watch a huge megapod of acrobatic spinner dolphins in incredible, rare videoA megapod of dolphins with thousands of individuals has been captured on video hunting flying fish off the coast of Costa Rica.
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Orcas are learning terrifying new behaviors. Are they getting smarter?Feature 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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