If you really want to get reductive about it, beavers build dams to stop a certain kind of water-flowing noise. It's instinctive (not learned) and they'll try e

If you really want to get reductive about it, beavers build dams to stop a certain kind of water-flowing noise. It's instinctive (not learned) and they'll try even when the it's coming from a speaker and the floor is dry concrete. Some types of anti-beaver-damn measures work by eliminating the sounds and vibrations. https://gsas.harvard.edu/news/dammed-if-they-do https://gsas.harvard.edu/news/dammed-if-they-do