Assertion: trumpeter swan | /r/HasProperty | extirpated in contiguous u.s.
Facets:
value: nearly
type: DEGREE
value: due to market-hunting
type: CAUSE
Source sentences:
text: Abundant and widespread across most of North America prior to the 19th century, the trumpeter swan was nearly extirpated in the contiguous U.S. due to market-hunting.