Assertion: bulbul's call | /r/CapableOf | end off with a plaintive
Facets:
Source sentences:
text: The sombre greenbul is a vocal species, and the most typical call is a monotonous, ringing phrase starting with a penetrating single whistle weeeewee, followed by a jumbled chortle and ending off with a rather plaintive, drawn out whistle willy.
text: The Sombre Greenbul is a vocal species, and the most typical call is a monotonous, ringing phrase starting with a penetrating single whistle weeeewee, followed by a jumbled chortle and ending off with a rather plaintive, drawn out whistle willy.