Litter Size

How many babies does a Yellow-footed rock-wallaby have at once? (litter size)

How many baby Yellow-footed rock-wallabys are in a litter?

A Yellow-footed rock-wallaby (Petrogale xanthopus) usually gives birth to around 1 babies.

Each of those little ones spend around 33 days as a fetus before they are released into the wild. Upon birth, they weight 30 grams (0.07 lbs) and measure 9.2 cm (0′ 4″). They are a member of the Macropodidae family (genus: Petrogale). An adult Yellow-footed rock-wallaby grows up to a size of 100 cm (3′ 4″).

To have a reference: Humans obviously usually have a litter size of one ;). Their babies are in the womb of their mother for 280 days (40 weeks) and reach an average size of 1.65m (5′ 5″). They weight in at 62 kg (137 lbs), which is obviously highly individual, and reach an average age of 75 years.

The average litter size of a Yellow-footed rock-wallaby is 1

The yellow-footed rock-wallaby (Petrogale xanthopus), formerly known as the ring-tailed wallaby, is a member of the macropod family (the marsupial family that includes the kangaroos, wallabies, tree-kangaroos, and wallaroos).

Other animals of the family Macropodidae

Yellow-footed rock-wallaby is a member of the Macropodidae, as are these animals:

Animals that share a litter size with Yellow-footed rock-wallaby

Those animals also give birth to 1 babies at once:

Animals that get as old as a Yellow-footed rock-wallaby

Other animals that usually reach the age of 12 years:

Animals with the same weight as a Yellow-footed rock-wallaby

What other animals weight around 8.5 kg (18.74 lbs)?