Assertion: starling's flock | /r/CapableOf | perform amazing aerobatic displays
Facets:
value: typically
type: DEGREE
value: before dropping into the roost
type: TEMPORAL
Source sentences:
text: These flocks gather in the evening and perform amazing aerobatic displays before dropping into their favoured roost sites.
text: Wintering Starlings roost communally and vast flocks may congregate at favoured sites, typically performing amazing aerobatic displays (known as ‘murmurations’) before dropping into the roost, which may be a reedbed, a group of conifers or a human structure, such as a pier.