Assertion: gorilla's silverback | /r/HasProperty | adult male
Facets:
Source sentences:
text: They live in small groups (or bands) of 6-7 individuals, including one silverback (adult male), a few females, and their young.
text: A silverback is an adult male gorilla, typically more than 12 years of age and named for the distinctive patch of silver hair on his back.
text: A troop usually comprises of one silverback, several adult female Gorillas and their offspring young Gorillas.