The snow may still be deep in most of Yellowstone National Park, but there's one sure sign in spring: On Tuesday, park employees observed grizzly-bear tracks on Mary Mountain, near the center of the lower loop of the park’s Grand Loop Road.
Read More »First Sign of Spring: Bears Awaken from Slumber
Though the temperatures have been a little colder than normal for this time of year, apparently the Yellowstone bears are listening to their internal clocks, with the first sightings starting in late February.
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