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Life cycle of a bilby
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Life cycle of a bilby
Facts
After mating, the male bilby pays no part in the raising of the young.
Gestation (how long a female is pregnant) is remarkably short in bilbies: only lasting 12 to fourteen days. This is one of the shortest gestation times of all mammals.
Baby bilbies are called joeys – just like kangaroo babies.
After being born, the joeys crawl into the female bilby’s pouch. At this stage they are extremely undeveloped.
Early life
Fun facts
- They spend another 10 to 11 weeks in the mother’s pouch, feeding on milk until they are ready to emerge.
- The joeys will then spend a few more weeks in the burrow before becoming fully independent.
- A female bilby’s pouch opens downwards to prevent earth from entering while digging.
- Baby bilbies are called joeys.
Fun facts
Getting ready to leave the pouch
The bilby is now growing fast, with between 35 and 40 days left in the pouch. It is still receiving nutrients, and looks a lot more like an adult bilby.
40+ days
Burrowing
A bilby will spend 2-3 weeks in a burrow before it is completely independent from its mother.
Burrowing
Adult
Bilbies generally live for around 5 years. The male bilbies are a lot bigger than the females. They are 29-55 cm.