a positive statement or declaration, often without support or reason: a mere assertion; an unwarranted assertion. 2. an act of asserting. Origin of assertion.
The Endangered Species Act has classified the grizzly bear as a threatened species in the continental United States. However in 2007 the bears were removed from the list at Yellowstone National Park. Other reserves where the bears reside include locations in Alaska, Montana, Idaho, Washington, and Wyoming.
This July 6, 2011 file photo shows a grizzly bear roaming near Beaver Lake in Yellowstone National Park, Wyo. HELENA, Mont. -- A grizzly bear attacked and killed a 38-year-old mountain biker Wednesday as he was riding along a trail just outside Glacier National Park, Montana authorities said.