Animals

  1. yellow-rumped leaf-eared mouse
    Animals

    A South American mouse is the world’s highest-dwelling mammal

    At 6,739 meters above sea level, the yellow-rumped leaf-eared mouse survives low oxygen and freezing conditions atop a dormant volcano.

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  2. horseshoe bat
    Health & Medicine

    Close relatives of the coronavirus may have been in bats for decades

    The coronavirus lineage that gave rise to SARS-CoV-2 has been circulating in bats for around 40 to 70 years, a study suggests.

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  3. Agelaia pallipes wasp
    Animals

    A wasp was caught on camera attacking and killing a baby bird

    Some wasps scavenge carrion or pluck parasites off birds, but reports of attacks on live birds are rare.

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  4. Wolf in Yellowstone National Park
    Animals

    How Yellowstone wolves got their own Ancestry.com page

    Since the wolves’ reintroduction to the park, 25 years of devoted watching has chronicled bold moves, big fights and lots of puppies.

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  5. side view of a Pacific blackdragon (Idiacanthus antrostomus)
    Animals

    How some superblack fish disappear into the darkness of the deep sea

    Some fish that live in the ocean’s depths are superblack as a result of a special layer of light-absorbing structures in the skin.

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  6. Animals

    The ‘ratpocalypse’ isn’t nigh, according to service call data

    A new study shows that rat-related reports in New York City went down during COVID-19 lockdowns compared with previous years during March and April.

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  7. Two yellow labs
    Animals

    Calculating a dog’s age in human years is harder than you think

    People generally convert a dog’s age to human years by multiplying its age by seven. But a new study shows the math is way more complex.

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  8. white-throated sparrow sitting on a branch
    Animals

    A sparrow song remix took over North America with astonishing speed

    A variation on the white-throated sparrow’s song spread 3,300 kilometers in just a few decades.

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  9. Paradise tree snake
    Life

    Here’s how flying snakes stay aloft

    High-speed cameras show that paradise tree snakes keep from tumbling as they glide through the sky by undulating their bodies.

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  10. Mallad ducks fishing
    Life

    Fish eggs can hatch after being eaten and pooped out by ducks

    In the lab, a few carp eggs survived and even hatched after being pooped out by ducks. The finding may help explain how fish reach isolated waterways.

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  11. bottlenose dolphin carrying a shell
    Animals

    Dolphins can learn from peers how to use shells as tools

    While most foraging skills are picked up from mom, some bottlenose dolphins seem to look to their peers to learn how to trap prey in shells.

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  12. barn owls
    Animals

    Barn owlets share food with their younger siblings in exchange for grooming

    Scientists weren’t sure why elder barn owlets would give away meals to their younger kin, a rare example of sibling cooperation in birds.

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