Zasoby i środowisko · 05/06/2012
US Fish and Wildlife Service Announces 90-Day Finding on Petition to List Southern White-Tailed Ptarmigan and Mt. Rainier White-Tailed Ptarmigan as Threatened
The US Fish and Wildlife Service has initiated a review of the southern white-tailed ptarmigan and Mt. Rainier white-tailed ptarmigan to determine if listing under the Endangered Species Act is warranted, following a petition that presents substantial scientific or commercial information indicating the subspecies may be threatened