Assertion: mountain gorilla | /r/HasProperty | ranked 250 mature individuals
Facets:
value: in the past
type: TEMPORAL
value: due to their very small population size
type: CAUSE
Source sentences:
text: In the past, mountain gorillas were ranked as critically endangered due to their very small population size (fewer than 250 mature individuals, which is the criteria for critically endangered), high levels of threats, and declining numbers.