Assertion: tern's population | /r/CapableOf | remain stable
Facets:
value: between 1966
type: TEMPORAL
value: between 2015
type: TEMPORAL
Source sentences:
text: Conservation North American Common Loon populations are stable and healthy overall, and between 1966 and 2015 populations remained stable, and slightly increased in the U.S., according to the North American Breeding Bird Survey.