Assertion: bulbul's call | /r/HasProperty | gravelly
Facets:
Source sentences:
text: Bulbuls are highly vocal, with the calls of most species being described as nasal or gravelly.
text: The vocal Bulbuls make calls that are described as nasal or gravelly.
text: Bulbuls are highly vocal, with the calls of most species being described as nasal or gravelly.