Assertion: cougar | /r/CapableOf | begin breeding at about 3 years of age
Facets:
Source sentences:
text: How they develop: Cougars begin breeding at about 3 years of age.
text: Cougars begin breeding at about 3 years of age and may mate during any season.
text: Cougars begin breeding at about 3 years of age and may mate during any season.