White-tailed ptarmigan listed as "Vulnerable". This bird serves as an indicator species for the alpine tundra, and denotes overall ecosystem health. It is not a conservation concern and is abundant in alpine zones across North America, indicating that this region is not undergoing dramatic climatic, temperature, or precipitation shifts. The lack of overgrazing by cattle, the lack of human development in alpine zones, the difficulty in accessing its remote habitat, the low densities at which it occurs and the laws regarding the limits to hunting bags allow the white-tailed ptarmigan to thrive. White-tailed ptarmigan The white-tailed ptarmigan ("Lagopus leucura"), also known as
Buffalo Mountain Trail the Gore Range. Looking like a fattened herbivore curled on its side beneath a covering of winter snows, Buffalo Mountain overlooks Silverthorne, Dillon, Keystone, and Frisco. Buffalo Mountain Trail ascends through a lodgepole pine forest, past exposed rock formations, into a steep boulder field of krummholz. The trail continues along the east-facing ridge to a nearly flat tundra near the summit. Buffalo Mountain offers views of the Ten Mile Range to the south, Grays Peak, 14,270 feet, and Torreys Peak, 14,267 feet, to the southeast, and the Ptarmigan Wilderness. Greatest Hikes in Central Colorado: Summit and Eagle Counties, a hiking