Assertion: peregrine falcon | /r/CapableOf | eat ptarmigan
Facets:
value: primarily
type: DEGREE
Source sentences:
text: Peregrine falcons primarily eat birds such as shorebirds, ptarmigan, ducks, grebes, gulls, storm-petrels, pigeons and songbirds including jays, thrushes, longspurs, buntings, larks, waxwings and starlings.