Wikipedia entity: Bottlenose dolphin
Topics: animal behavior; age range; weaning rate
Original sentence: Weaning ages ranged from 2.7 to 8.0 years, but 66.7% (42 calves) were weaned by their fourth birthday.
Quantified sentence: Weaning ages ranged from 2.7 to 8.0 years, but some were weaned by their fourth birthday.
Quantifier: some
Percentage: 66.70%
Specificity: unable