Grizzly Bear

Grizzly Bear Tracks on the Toklat River. Courtesy of NPS.

WMRS | Interesting Endangered Species Fun Facts

Grizzly Bear Fun Facts:

  • The average weight of grizzly bears is generally 400 to 600 pounds for males and 250 to 350 pounds for females. Grizzly Bear mother and cubs. Courtesy of Kim Keating, U.S. Geological Survey
  • The common name grizzly is derived from the term “grizzled,” which refers to hair that is either flecked with gray at the ends or is a mixture of gray and darker colors.
  • Explorers Lewis and Clark provided the first scientific data on the grizzly’s primitive range, habitat, and physical characteristics in Fall 1804.

Source: All information from U.S. Fish and Wildlife Service,  Endangered Species Program.


Updated May 18, 2015

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