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'Whispering' Whales: Humpback Calves Speak Softly to MomA newborn humpback whale learns early in life to use its "indoor voice" to avoid attracting the attention of nearby killer whales.
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Photos: Ancient Marine Critter Had 50 Legs, 2 Large ClawsResearchers have identified the first arthropod with mandibles on record.
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508-Million-Year-Old Sea Monster Had 50 Legs and Giant ClawsA 508-million-year-old critter — one that looks like a weird lobster with 50 legs, two claws and a tent-like shell — is the oldest known arthropod with mandibles on record, a new study finds.
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Extinct Toothy Carnivore Named After Egyptian God of the UnderworldScientists have identified a new species of small, toothy mammal that once ruled the food chain in Africa almost 40 million years ago.
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What Drove Tsavo Lions to Eat People? Century-Old Mystery SolvedSevere mouth pain likely led the Tsavo lions to kill and eat people 119 years ago in Kenya.
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How Big Cats and Wild Dogs Coexist in India's MountainsIndia's big cats and wilds dogs get along surprisingly well.
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Livestock Make Up a Quarter of Snow Leopards' MealsA new study could help explain why so many snow leopards get killed in retaliation for eating domestic animals.
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Murderous Mickey: 'Zombie' Mice Triggered with Predatory GeneScientists triggered mice's kill instinct.
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Smash! Super-Stabby Mantis Shrimp Shows Off in VideoThe mantis shrimp, that tiny toughie of the sea, smashes and stabs in a new video showing off the special talents of this predatory crustacean.
