the.com/marsupial
Mammals that prefer the womb optional and the pocket mandatory.
means A mammal whose tiny, underdeveloped young finish growing inside a pouch on the mother's body.
from From Latin marsupium, pouch, itself from Greek marsippos, a little bag — biology's most literal carry-on.
Born earlyNewborns are jellybean-sized and crawl to the pouch.
GeographyMost live in Australia; opossums roam the Americas.
Twin wombsFemales often have two uteruses and three vaginas.
Old lineageMarsupials split from placental mammals over 100 million years ago.