Assertion: screech owl | /r/HasAspect | a kind of song
Facets:
value: as a duet
type: MANNER
Source sentences:
text: They also have a kind of "song" which is used in courtship and, as a duet, between members of a pair.
text: The screech owls on the other hand are named for their piercing trills of more than four individual notes per second and as noted above they also have a kind of song, which is absent in the scops owls.