Close this window to return to the main article.
Fig. 16. a) Approximate distribution of grizzly bears in 1850 compared with 1920 and with b) 1970­1990. Local extinction dates appear in a). Populations identified in b) are NCE--North Cascades ecosystem, SE--Selkirk ecosystem, CYE--Cabinet­Yaak ecosystem, BE--Bitterroot ecosystem, NCDE--Northern Continental Divide ecosystem, and GYE--Greater Yellowstone ecosystem. As indicated in b), a grizzly bear was killed in the San Juan Mountains of Colorado in 1979 (Mattson et al. 1995).