Assertion: night heron | /r/CapableOf | go extinct
Facets:
value: in the 1600s
type: TEMPORAL
Source sentences:
text: The yellow-crowned night heron was introduced in the Bermudas in the end of the 1970s as a means of biological control against land crabs, which were considered a pest as were digging holes in the golf courses and the population went out of control after the closely related Bermuda night heron went extinct in the 1600s.