It is truly awesome how big toothed, furry rodents with a leathery tails can gnaw their way through huge trees!
Must be great for their fur coats, though as the beaver is a primary reason that the Voyageurs explored this area, seeking beaver pelts to take back to the kings and queens and lords and ladies of the Old World.
I thought, well, I can wait. He'll have to come for air sooner or later. I mean, how far can he swim underwater?