Assertion: cockatiel | /r/HasProperty | mature
Facets:
value: fully
type: DEGREE
value: by the age of six months
type: TEMPORAL
value: sexually
type: MANNER
Source sentences:
text: Cockatiels are sexually mature anywhere between 12 to 24 months old.
text: Cockatiels are fully mature by the age of six months, but most breeders prefer to wait until the bird is about two years, as they are then more mature.