2 Cautious Beavers! Earlier this summer, I was filming a beaver eating willow saplings on the rocks when I noticed a second beaver coming from downstream. When the second beaver arrived, it was very cautious about approaching the first beaver, and circled around a couple of times before approaching. If you turn the sound up, you can hear the first beaver growling as it starts heading down the rocks. I only hear them make that sound when they are unhappy. You can then also hear the beavers whinin

Beavers are nature's engineers. Did you know the world's largest beaver dam stretched nearly 2,800 feet across Canada — twice the length of the Hoover Dam and big enough to see from space? | Center for Biological Diversity