The female koala only reaches reproductive age at about age 2 or 3.
Female koalas reach reproductive age at around two years old.
On average, female koalas of reproductive age give birth once a year, or once every two years.
The female koala keeps her young joey in the pouch, but she does not always do this. When the joey reaches several months of age, it no longer spends all of its time in the pouch, instead clinging to its mother's back.
After 8 weeks of age. Not too often. Before this age, just use a wet towel.
females do not produce sperm
The weight of a koala joey is dependent upon its age. When first born, a koala joey weighs 0.5 grams. By the time the young koala is 13 weeks old, it weighs an average of 50 grams. As it grows, its weight naturally increases until, as an adult, a northern-dwelling male koala weighs up to 9kg (female 7.5kg) and a southern male koala up to 15 kg (females 9 kg).
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a female is able to give birth at any age the female starts her menstrual cycle.
Female bilbies reach reproductive age at about 5 months.
Right after birth.
A female can give birth when she is three for four years old.
A mare (female horse) is called a 'dam' after it gives birth to a foal.