Search Results for: Crows

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537 results

537 results for: Crows

  1. Humans

    This snowbird is really going SOUTH

    Many people of a certain age (like my folks) enjoy flying south to warmer climes when winter weather threatens. I’m also flying south this December — but not to warm up. As a guest of the National Science Foundation, I’ll be checking out summer in the really deep South: Antarctica. Temps expected at certain sites I’m scheduled to visit, such as the South Pole, threaten to surpass the worst that my hometown will encounter in the dead of winter.

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  2. Animals

    Collision Course

    The tales of two ornithologists trying to prevent birds colliding with windows highlight the obstacles facing applied biology.

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  3. When Birds Go to Town

    Urban settings offer enterprising critters new opportunities — if they can cope with the challenges 

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  4. Life

    Archaeopteryx wore black

    Microscopic structures in an iconic fossil feather suggest that it was the color of a crow.

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  5. Life

    Microraptor’s true blue colors

    The birdlike dinosaur had black, iridescent feathers that may have helped it attract mates.

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  6. Letters

    Defining the human species Having read “Humans benefited by interbreeding” (SN: 10/8/11, p. 13), I wonder if I have missed what, to me, seems a major change in the definition of “species.” I was taught that the attempted crossbreeding of animals of two different species could result in either no offspring or sterile offspring. If […]

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  7. Life

    Life

    Birds' share of dinosaur extinction, the 'battle' between cattle and wildlife and more in this week's news.

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  8. Life

    Life

    A thinner dodo, plus more in this week’s news.

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  9. Animals

    Lost to history: The “churk”

    More than a half-century ago, researchers at the Beltsville Agricultural Research Center outside Washington, D.C., engaged in some creative barnyard breeding. Their goal was the development of fatherless turkeys — virgin hens that would reproduce via parthenogenesis. Along the way, and ostensibly quite by accident, an interim stage of this work resulted in a rooster-fathered hybrid that the scientists termed a churk.

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  10. Life

    Learnin’ lizards

    Underrated reptiles figure out what to do when the old rules change.

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  11. Life

    Young elephant struck by idea

    In a test of insight, a 7-year-old pachyderm finds a way to use toy cube to snag a fruity treat hung just out of reach.

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  12. Health & Medicine

    Digging into the roots of lupus

    Two new studies implicate common white blood cells called neutrophils in this autoimmune disease.

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