Assertion: owl's call | /r/HasProperty | mellow hoot
Facets:
value: according to owl pages
type: OTHER
Source sentences:
text: The call of the Spotted Eagle-Owls is a mellow hoot.
text: The male's main call (A-song) is a mellow trill that fits about 35 notes into a few seconds, according to Owl Pages, and his B-song is a descending whinny.