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.
- 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.