One of North America’s Rarest Mammals Spotted in Yosemite: The Sierra Red Fox One of the most endangered mammals in North America has just been caught on a trail camera in Yosemite National Park — the Sierra red fox. RELATED: Montana Hiker Attacked and Bitten by Grizzly Bear Protecting Her Cub | Bear Located and Euthanized Experts say that there are fewer than 10 of these solitary and nocturnal creatures left in the […] SnowBrains | April 11, 2020 0 Comments