beaver dams

When beavers build dams, they help create habitat for other species. But when they build near humans, those dams aren’t always appreciated. Some humans are trying to strike a balance between their needs and the beavers’.

Hundreds of millions of beavers used to populate the West but were hunted to near extinction. Turns out, beavers are critical to healthy water ecosystems, so now there are efforts to bring them back.