What proportion of California residents supported creation of a bioregion and proposed country in western region of North America.
Cascadia (independence movement) Cascadia is a bioregion and proposed country located within the western region of North America. Potential boundaries differ, with some drawn along existing political state and provincial lines, and others drawn along larger ecological, cultural, political, and economic boundaries.
Sierra Nevada bighorn sheep Sierra Nevada bighorn sheep ("Ovis canadensis sierrae") is subspecies of bighorn sheep unique to the Sierra Nevada mountains of California. A 2016 genetics study confirmed significant divergence between the three subspecies of North America's bighorn sheep: Sierra Nevada bighorn sheep, Rocky Mountain bighorn sheep and desert bighorn sheep. Sierra Nevada bighorn sheep were listed as a federally endangered subspecies in 2000. Today, about 500 Sierra bighorn remain in the wild.