why beavers build dams?
Why do beavers build dams and what happens when they do? How would things change if no more beavers build dams? - read more
Beavers are known for building dams, canals, and lodges (homes). They are the second-largest rodent in the world (after the capybara). ... They also both mark and defend the territory and build and repair the dam and lodge. - read more
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