Search Results for: Vertebrates

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1,545 results

1,545 results for: Vertebrates

  1. Life

    Rock-hard evidence

    Newly discovered dinosaur tracks, the first ever reported from the Arabia Peninsula, indicate that a part of the now-arid region was teeming with dinosaurs about 150 million years ago.

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  2. Paleontology

    Walking tall

    Some types of the largest flying reptiles ever known were well adapted to life on the ground.

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  3. Life

    Shoot-out superhero claws

    Hidden spurs cut through frog’s own skin to rip attackers.

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  4. Paleontology

    Ancient burrows

    Triassic-era sediments unearthed in Antarctica reveal the well-preserved lair of a four-legged, mammal-like reptile.

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  5. Life

    Fossil helps document shift from sea to land

    New fossils of an ancient, four-limbed creature help fill in the blanks of the evolutionary transition between fish and the first land-adapted vertebrates.

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  6. Animals

    Live fast, die young

    With a lifespan of just five months, the chameleon Furcifer labordi leads a briefer life than any other land-dwelling vertebrate.

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  7. Life

    Seeing without eyes

    Scientists are looking into the cellular pathways that allow an eyeless roundworm to see.

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  8. Life

    Parenthood: Male sharks need not apply

    A second case of a virgin shark birth suggests some female sharks may be able to reproduce without males.

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  9. Life

    Fossil find may document largest snake

    Rocks beneath a coal mine in Colombia have yielded fossils of what could be the world's largest snake, a 12.8-meter–long behemoth that's a relative of today's boa constrictors.

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  10. Paleontology

    How pterosaurs took flight

    Extinct flying reptiles known as pterosaurs may have taken to the air with a technique akin to leapfrogging, new research suggests.

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  11. Life

    A more fearsome saber-toothed cat

    Analyses of fossils reveal that a third, newly recognized type of saber-toothed cat — one that killed by biting large chunks of flesh from its victim instead of biting its neck and slashing the major blood vessels there —roamed the Americas about a million years ago.

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  12. Life

    Morse Toad: When amphibians tap their toes

    Toe wiggling creates motions, vibrations that get potential prey moving.

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