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
Ptarmigan (sternwheeler) piper, and lifted him unharmed over to the foredeck of "Ptarmigan" while the piper reportedly never missed a note. "Ptarmigan" passed "Gian" and thereafter Cantlie steered clear of the big steamer. "Ptarmigan" was dismantled in 1909. "Ptarmigan"'s engines, which had been under water at least twice when the vessels they powered sank (once with "Ptarmigan", once with the first "Duchess") were installed in another vessel, the "Nowitka". Ptarmigan (sternwheeler) Ptarmigan was a sternwheel steamboat that operated in British Columbia on the Columbia River from 1903 to 1909. "Ptarmigan" was built at Golden, BC and was the last vessel built for