Assertion: male narwhal | /r/CapableOf | reach maturity
Facets:
value: generally
type: MANNER
Source sentences:
text: Male narwhals reach maturity at the age range of 11 to 13 years while females mature after 5 to 8 years.
text: Male narwhals generally reach sexually maturity between 8 – 10 years of age while females reach maturity between 4 – 7 years.