Assertion: mountain gorilla | /r/AtLocation | troops of up to 20 individuals
Facets:
value: a few adult females
type: OTHER
Source sentences:
text: Mountain gorillas live in troops of up to 20 individuals, made up of one adult male who is usually older than 12 years (often called a ‘silverback’ because of the silver fur on his back), a few adult females and their offspring of various ages.