Why do koalas hug trees? "Animals with Cameras: Australia" is now streaming: https://to.pbs.org/3fPnm8P [VID: Why do koalas hug trees? Koalas have specialized claws for gripping tree trunks and a speckled bottom for camouflage. Their specially toughened rumps allow koalas to wedge themselves comfortably in tree forks. They can sleep in this position for up to 20 hours a day. This tree hugging posture is more than just an affectionate arboreal embrace. Tree trunks can be as much as 10 degrees coo