Humans are effectively marsupials, we just don't have a pouch. I remember, back in the heydey of the Discovery channel having real science programming, a Wild

Humans are effectively marsupials, we just don't have a pouch. I remember, back in the heydey of the Discovery channel having real science programming, a Wild Discovery[1] about guanacos in the Andes. Within an hour, the baby guanaco was birthed, licked clean of placenta, and on it's feet scrambling unsteadily up 14k foot mountains after it's mother. [1] I miss this show, and that era of basic cable documentary television so much...