Assertion: toucan's bird | /r/CapableOf | beat their wings
Facets:
value: on the water
type: LOCATION
value: into a tight cluster
type: OTHER
value: to corral fish
type: TRANSITIVE-OBJECT
Source sentences:
text: To increase their chances of success, the birds occasionally form hunting parties, gathering in a U-shape and beating their wings on the water to corral fish into a tight cluster—or drive them into the shallows.