You searched for: “bioacoustics
bioacoustics (s) (noun) (a plural form that is used as a singular)
1. The science dealing with the effects of sound fields or mechanical vibrations in living organisms: "As an experiment for her botany class in high school, Kelly designed a project to test the bioacoustics of loud music on the growth of sweet peas."
2. The science of communicating sounds that are made by animals: "Dolphins are frequently the subject of studies of bioacoustics as zoologists study the communication techniques among them."