Assertion: starling's call | /r/HasProperty | whistle
Facets:
Source sentences:
text: Typical calls include whistles, chatters, rattles, chips, and trills, and they can also imitate numerous other bird species and non-bird sounds, though they are not exclusively mimics.
text: The calls includes croaks, squawks, chirps, clicks, whistles and 'growls', and the bird often fluffs its feathers and bobs its head in singing.