Beavers: Dam Good Engineers | Animal Einsteins | BBC Earth

Beavers are master waterway engineers and have developed almost perfect solutions to damming water. What can we learn from these animals to improve the way we humans build dams? Subscribe: Animal Einsteins Animals have to be smart to survive. Chris Packham reveals the natural world’s surprising brainboxes and uncovers the clever strategies that give certain species the upper hand. Watch more: Planet Earth Blue Planet Planet Earth II Planet Dinosaur