In a remarkable example of natural engineering, beavers constructed a dam that filtered polluted water flowing into a protected area—achieving what local authorities had spent seven years planning but had not yet implemented. The animals unknowingly completed the project for free. The beaver dam slowed water flow, trapped sediment, and prevented contaminated runoff from spreading downstream. When officials inspected the site, they realized the dam accomplished the same environmental goals as a p

357K views · 10K reactions | TURN UP THE VOLUME for this close-up video of Mr. Beaver gnawing on a tee trunk. (FYI I will be posting a much longer version of this video on my Beaver YouTube Channel the evening of Sept 3rd) | Mike’s photos and videos of beavers | Facebook

76 reactions · 12 shares | I managed to get a really great angle to film Mr. Beaver chewing on this log today. You can actually see his lower incisors as they scrape chunks of tree out sliver-by-sliver. They work like a planer. | Mike’s photos and videos of beavers | Facebook