you are viewing a single comment's thread
view the rest of the comments
[–] 7 points 2 years ago (7 children)

This is fascinating, but what's the evolutionary advantage of covering up the noise?

  • source
  • parent
  • hideshow 7 child comments
  • [–] 47 points 2 years ago (3 children)

    Covering the noise is covering the running water. Covering the running water creates a dam. Creating a dam creates a pond. Creating a pond provides them with a nice controlled environment in which to build a lodge with an underwater entrance for protection from predators.

  • source
  • parent
  • hideshow 3 child comments