Assertion: alligator gar | /r/HasProperty | driven to local extinction
Facets:
value: by the 1960s
type: TEMPORAL
Source sentences:
text: In fact, humans have been quite successful in some areas; the alligator gar, the largest species of the group (they can grow over 9 feet long and weigh more than 300 pounds), was driven to local extinction from the northern extent of its range in Illinois by the 1960s (3).