Assertion: wren's nest | /r/HasProperty | built by male
Facets:
Source sentences:
text: Additional nests, built by the males, can be used to rear second, sometimes third, broods.
text: Secondary nests are built by the male in the vicinity of the breeding nest and are used for roosting by the male, recently fledged birds, or as breeding nests for subsequent broods (Anderson and Anderson 1973).