Assertion: peregrine falcon's prey | /r/HasProperty | ptarmigan
Facets:
Source sentences:
text: Typical prey include shorebirds, ptarmigan, ducks, grebes, gulls, storm-petrels, pigeons, and songbirds including jays, thrushes, longspurs, buntings, larks, waxwings, and starlings.
text: Typical prey includes the ptarmigan and waterfowl, which it may take in flight; it also takes fish and mammals.