Gold dots and blue squares indicate where native frogs are presumed extinct. View image Ecosystem Trends in the Colorado Rockies Go to the article Fig. 2. Trends in Rocky Mountain National Park visitors, agricultural impacts, moose invasion, elk population, forest recovery, air pollution, Estes Park population, and global change in carbon dioxide. View image Native Ranid Frogs in California Go to the article Fig. Historical and current distribution of the mountain yellow-legged frog, and presumed native populations of the northern leopard frog in California based on 2,565 museum records and 673 records from other sources.
Dots indicate locality records based on verified museum specimens.
Red dots and green squares denote localities where native frogs are extant. Gold dots and blue squares indicate where native frogs are presumed extinct. The Greater Yellowstone Ecosystem Go to the article Fig. Progressively lighter shading is used around the edges of a recent map of the Greater Yellowstone Ecosystem to illustrate the uncertainty that still plagues definitions of the ecosystem. Courtesy Desktop Assistance and Greater Yellowstone Coalition.