According to a New York Times report, mother kangaroos can accommodate two joeys (baby kangaroos) at different developmental stages in her pouch at the same time, providing them milk with different nutritional content. Watch this amazing video of a jellybean-sized joey go from birth to infancy.
Newborn Baby Grey Kangaroo - Attenborough - Life of Mammals - BBC
Key Facts In This Video
Kangaroos are one of few marsupials who give birth to unprotected young, without the usual eggshell. 00:16
As a baby kangaroo grows, the nutrients in the mother's milk changes according to how old the "Joey" is. 01:47
After about a year and nine months, the joey is ready to be independent and no longer returns to his mother's pouch. 03:01
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