Worm-Grunting-Fiddling-and-Charming—Humans-Unknowingly-Mimic-a-Predator-to-Harvest-Bait-pone.0003472.s008

Description:

This video shows earthworm escape responses to the amplified sound of a digging mole. The container filled with dirt holds 50 Diplocardia earthworms. The attached speaker is connected to a computer that is playing the recorded sound of a mole (the recordings were made with a geophone). For an example of these recordings, listen to sound file B.