A kangaroo pouch may look like a simple pocket, but it's actually a complex nursery that contains everything a growing joey needs. The pouch is hairless on the inside, and is lined with sweat glands that release antimicrobial liquid to keep the joey safe

A kangaroo pouch may look like a simple pocket, but it's actually a complex nursery that contains everything a growing joey needs. The pouch is hairless on the inside, and is lined with sweat glands that release antimicrobial liquid to keep the joey safe