Nature curiosity: Why do marsupials have pouches?

For marsupials, only adult females have pouches, and they serve an important role in the reproductive process. 

A Roo having a tricky time getting into mama's pouch : r/aww

10 facts about wombats! - National Geographic Kids

Kangaroo facts and photos

30 Bandicoot Facts About These Solitary Marsupials

Marsupial Pouches are Even Cooler than We Knew! - One Green Planet

10 Incredible Facts About Kangaroos

Why Do Marsupials Have Pouches? And Other Questions

🔥 Take a look inside ! : r/NatureIsFuckingLit

Kangaroo pouch mysteries: Unveiling the Secrets of Nature's Pocket - FasterCapital