Effects of Anthropogenic Noise on the Characteristics of Bird Song

Communication is a key tool in the life of many organisms that enables information to be distributed throughout communities. One effective type of communication, sound production, can be observed in a wide variety of organisms from humans to dogs to cicadas. The transmission of information with sound only succeeds, however, if the intended receiver can properly pick up the transmitted signal. In regions around the globe, birds are notable in employing the use of sound through songs and calls. In what ways can these songs and calls change, and are these changes temporary or permanent