Assertion: humpback whale's song | /r/CreatedBy | male
Facets:
value: on the breeding grounds
type: LOCATION
Source sentences:
text: Scientists have discovered that these songs are produced by males on the breeding grounds.
text: The purpose of vocalization is unknown, but songs appear to be produced only by males have some kind of sexually related purpose, while “D-calls” and other non-repeating calls appear to be produced during feeding by both sexes.