Beavers fueled an 18th and 19th century rush to the Western half of North America by mountain men, and veered towards extinction due to that, before making a comeback in the 20th century. Today, while many communities view the rodents as nuisances that dam creeks and chew down trees, the National Park Service is turning to these ecological engineers to revive wetlands in the National Park System.

A number of national parks, including Yellowstone, Grand Canyon, and Yosemite, citing increases in Covid cases, have reinstituted face mask requirements if you enter a park building.

Wintry conditions in Colorado on Sunday were complicating a rescue in the high country of Rocky Mountain National Park, where an avalanche and rockfall came down on three climbers, with one of the three still missing late in the afternoon.