A lawsuit filed by the Cleveland National Forest Foundation and California Native Plant Society claims the project threatens the endangered Quino checkerspot butterfly, western spadefoot (a toad), and ...

In July, the Mount Rainier white-tailed ptarmigan was officially listed as threatened by the U.S. Fish and Wildlife Service ...

Habitat The alpine mountain habitat of the newly isolated population is very high, cool, and wet, with a short growing season. Flowers are plentiful seasonally, offering pollen and nectar to ...

That’s why the park closes several of the key alpine habitat areas used by wintering sheep from December to April. Part of Courtemanch’s study focused on geographic overlap between winter park users ...

HABITAT: The white-tailed ptarmigan is found almost exclusively in alpine environments at or above the tree line, which occurs where vascular plants reach the limits of their ability to withstand ...