TED-Ed: Why do beavers build dams? | Glynnis Hood

The video explores the construction and ecological impact of beaver dams, highlighting the world's longest beaver dam visible from space. It details how beavers select sites, build and maintain dams, and regulate water flow. The video also covers beaver family dynamics, territory expansion, and the benefits of beaver dams for both wildlife and humans, such as increased biodiversity and flood control.

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