Assertion: gorilla's group | /r/HasProperty | led by single male
Facets:
value: because of the distinctive silvery fur
type: CAUSE
Source sentences:
text: Female western lowland gorillas living in a group led by a single male have been observed to display sexual behavior during all stages of their reproductive cycle and during times of non-fertility.
text: The group is led by a single male, called silverbacks because of the distinctive silvery fur growing on their back and hips when they mature at least 12 years olds , these silverback scares away other animals by standing on their back legs they decide all activities within their troop.