1 Inch
New born baby kangaroos look red (or rather, pink) because they are completely hairless. Newborn joeys of any marsupial are undeveloped embryos, and this is why they spend so long growing in the mother's pouch.
Approximately 2ft long.
Kangaroo joeys nurse for an average of about 9 months, sometimes extending to twelve months.
The largest of the kangaroos is just 2cm long at birth. Smaller species are slightly less than that.
male kangaroos are called bucks and females are called doe, jill, or flower, a baby kangaroo is called a joey if kangaroos are in captivity they could live anywhere from 7 to 15 years in the wild. they could live up to twenty years.
Baby manatees are born live birth from their mother. They have birth under water, and if it takes to long then they can die.
about an inch or less i think
1 week
They are about 8 inches long at birth.
it takes approximately 10 days
6 inches long
A Sea Lion is 30 inches long at birth