Assertion: trumpeter swan | /r/HasProperty | extirpated by native people
Facets:
value: from eastern canada
type: LOCATION
Source sentences:
text: In 1984, Harry G. Lumsden posited that trumpeter swans may have been extirpated from eastern Canada by native people armed with firearms prior to the arrival of European explorers and noted archaeological remains of trumpeter swans as far east as Port au Choix, Newfoundland dating to 2,000 BCE.