Assertion: trumpeter swan | /r/AtLocation | ontario
Facets:
value: rarely
type: DEGREE
Source sentences:
text: Because most of the trumpeter swans seen in Ontario have been raised in breeding programs, they are different from wild swans and don’t know how to fully migrate.
text: In the early 20th century, it had been “rarely seen” in Ontario and was added to list of U.S. birds that were threatened with extinction.