Uncategorized

  1. Paleontology

    That’s no footprint, it’s got no toes

    The impressions near Isona, Spain, long thought to be fossilized dinosaur footprints may actually record the feeding behavior of stingrays.

    By Sid Perkins
  2. Animals

    Big woodpeckers trash others’ homes

    Pileated woodpeckers destroy in an afternoon the nesting cavities that take endangered red-cockaded woodpeckers 6 years to excavate.

    By Susan Milius
  3. Animals

    When rare species eat endangered ones

    To cut down on their salmon smolt catch, Caspian terns were encouraged to move from one island to another in the Columbia River.

    By Susan Milius
  4. Animals

    Oops. New feathers turn out lousy

    Going to the trouble of molting doesn't really get rid of a bird's lice after all.