Wiktionary
zoomusicology
n. A branch of zoosemiotics dealing with the musical aspects of animal sounds.
Wikipedia
Zoomusicology
Zoomusicology is a field of musicology and zoology or more specifically, zoosemiotics. Zoomusicology is the study of the music of animals, animal music or rather the musical aspects of sound or communication produced and received by animals.
Zoomusicology may be distinguished from ethnomusicology, the study of human music.