Assertion: bird's predator | /r/HasProperty | gyrfalcon
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Source sentences:
text: Avian predators that are known to kill adults, as well as young geese, include snowy owls (Bubo scandiacus), golden eagles (Aquila chrysaetos) and bald eagles (Haliaeetus leucocephalus) and, though rarely on large adult geese, great horned owls (Bubo virginianus), goshawks (Accipiter gentilis), peregrine falcons (Falco peregrinus), and gyrfalcons (Falco rusticolus).