Animals

  1. Arctic ground squirrels
    Animals

    These Arctic squirrels recycle bits of their own bodies to survive winter

    Arctic squirrels not only slow their metabolism while hibernating, but also harvest crucial substances from their muscles.

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  2. cricket poking through hole in a leaf
    Animals

    Small, quiet crickets turn leaves into megaphones to blare their mating call

    A carefully crafted leaf can double the volume of a male tree cricket’s song, helping it compete with larger, louder males for females.

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  3. dromedary camels eating trash
    Animals

    Plastic waste forms huge, deadly masses in camel guts

    Eating plastic isn’t just a sea animal problem. Researchers found suitcase-sized masses of plastic in dromedaries’ guts in the United Arab Emirates.

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  4. Baikal seal
    Animals

    Using comb-shaped teeth, Baikal seals feed on tiny crustaceans like whales do

    Seals in Lake Baikal use comb-shaped teeth to catch scores of amphipods, a study finds. The diet may be behind the seals’ relative success.

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  5. Tasmanian devil
    Animals

    A highly contagious face cancer may not wipe out Tasmanian devils after all

    Devil facial tumor disease has killed so many Tasmanian devils that it was feared they would die out. But a new analysis finds its spread is slowing.

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  6. giant panda climbing a tree
    Animals

    Giant pandas may roll in horse poop to feel warm

    By coating themselves in fresh horse manure, wild giant pandas may be seeking a chemical in the poop that inhibits a cold-sensing protein.

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  7. Worker ant with calcite mineral armor
    Animals

    Mineral body armor helps some leaf-cutting ants win fights with bigger kin

    Researchers have found that at least one species of leaf-cutting ant has a tough layer of calcite on its exoskeleton.

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  8. male wrinkle-faced bat
    Animals

    A face mask may turn up a male wrinkle-faced bat’s sex appeal

    The first-ever scientific observations of a wrinkle-faced bat’s courtship shows that, when flirting, the males raise their white furry face coverings.

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  9. a colugo mother hanging in a tree with a baby colugo peeking over her leg
    Animals

    On a cool night in Malaysia, scientists track mysterious colugos across the treetops

    Our reporter tags along for nighttime observations of these elusive gliding mammals.

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  10. a microscopic image showing several radiolarians
    Earth

    50 years ago, scientists named Earth’s magnetic field as a suspect in extinctions

    In 1970, researchers saw a link between magnetic pole reversals and extinctions. Fifty years later, scientists have uncovered more suggestive examples but no strong evidence of a direct link.lamb

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  11. Monarch caterpillar
    Life

    Monarch caterpillars head-butt each other to fight for scarce food

    Video experiments show that monarch caterpillars turn aggressive when there’s not enough milkweed to go around.

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  12. guttural toad
    Animals

    Guttural toads shrank by a third after just 100 years on two islands

    Introduced in the 1920s, toads on two islands in the Indian Ocean have shrunken limbs and bodies that may be evidence that "island dwarfism" can evolve quickly.

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