Assertion: starling's flock | /r/HasProperty | massive
Facets:
Source sentences:
text: European starlings have massive flocks, with some composed of over 4,000 birds, and the speckled birds are loathed in agriculture: Annually, these blackbirds cause roughly a billion dollars of damage to the United States' agricultural industry –
text: Starlings gather in massive flocks (some numbering tens of thousands) and these aggressive birds will drive out other native bird species often taking over the other birds' existing nests.