Assertion: starling's flock | /r/CapableOf | consume 1 to 2 tonnes of feed
Facets:
value: in winter
type: TEMPORAL
value: in a month
type: TEMPORAL
Source sentences:
text: In winter, flocks of up to 2,000 birds can consume 1 to 2 tonnes of feed in a month and can contaminate or spoil an additional 500 to 1,000 kg of feed.