Submitted by Snoo-82132 t3_y9a6rk in askscience
dogboy_the_forgotten t1_it89sr2 wrote
Reply to comment by Splatulance in Is building dams a learned behaviour for beavers? by Snoo-82132
Also it is triggered by the sound of running water. Captive beavers will start to make a dam if they hear a recording of running water.
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