Assertion: tristan moorhen | /r/CapableOf | become rare
Facets:
value: by 1873
type: TEMPORAL
Source sentences:
text: The once common Tristan Moorhen had become rare by 1873 and was extinct by the end of 19th century because of hunting, predation by introduced species (rats, cats, pigs, etc.) and habitat destruction by fire.
text: The once abundant Tristan moorhen had become rare by 1873, and by the end of 19th century it was extinct as a result of hunting, predation by introduced species (rats, cats and pigs) and habitat destruction by fire.