A kangaroo pouch may look like a simple pocket, but it’s actually a complex nursery specially designed to care for a growing joey. After all, the newborn baby is just the size of a jellybean when it crawls into the pouch and grows to the size of a large house cat. So, the pouch is equipped with goodies like nipples that release customized milk and germ-fighting sweat glands.
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What’s Inside A Kangaroo’s Pouch?