Nature curiosity: Why do marsupials have pouches?

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

Marsupial - Easy Science

Curious facts about Kangaroo – ESNAF TOYS®

Why Do Marsupials Have Pouches? And Other Questions

13 Bouncy Kangaroo Facts About Australia's Iconic Marsupial

Rock Run Rookery Preserve

What's Inside A Kangaroo Pouch?

😍😍😍 - Rock Run Rookery Preserve

Unraveling the Enigmatic Behavior of Pet Sugar Gliders

13 unique kangaroo images: can you help us decide which is best?

Why Do Marsupials Have Pouches? And Other Questions

Part idea: marsupial pouches : r/ElysianEclipse

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

Kangaroo facts and photos

Kangaroo - Wikipedia

😍😍😍 - Rock Run Rookery Preserve