When do platypuses reach maturity?
'Maturity' is considered to be reproductive age. Platypuses reach reproductive age at around two years old. This is the case for both males and females.
Heifers reach sexual maturity by 10 to 12 months of age, though this depends on the breed. Bulls reach sexual maturity around 8 to 9 months of age, though this too depends on the breed. Late maturing breeds reach sexual maturity later than average (10 to 12 months); Early maturing breeds reach sexual maturity earlier than average (7 to 9 months).