Assertion: bermuda petrel | /r/HasProperty | extinct
Facets:
value: for nearly 300 years
type: TEMPORAL
Source sentences:
text: The breeding colony of the New Zealand storm petrel was not located until February 2013; it had been thought extinct for 150 years until its rediscovery in 2003, while the Bermuda petrel had been considered extinct for nearly 300 years.