Assertion: river otter | /r/CapableOf | reach sexual maturity
Facets:
value: at two years
type: TEMPORAL
Source sentences:
text: North American river otters reach sexual maturity at two years of age.
text: River otters prefer to mate over winter or in early spring, and reach sexual maturity at around two years of age.
text: River otters reach sexual maturity at two years.