High in the eucalyptus trees of Australia, koalas (Phascolarctos cinereus) are often seen curled into tight, fluffy balls, barely moving for hours at a time.

Add Yahoo as a preferred source to see more of our stories on Google. Koala bears always make me smile - they're just adorable and I love watching them! But this video of Olaf the koala that ...

A hungry koala nicknamed "Claude" has returned to a plant nursery to rob them of their delicious vegetation and brought some friends of his along. Claude was busted last year for munching his way ...

Add Yahoo as a preferred source to see more of our stories on Google. An adult koala eats a eucalyptus leaf. Joeys can't break down the toxic, fibrous plants on their own yet. Photograph By David ...

A gardener growing eucalyptus seedlings for koala habitats has found his plants being eaten by a single greedy one. Nicknamed "Claude" for his sharp claws, this thieving koala is thought to have eaten ...

Koalas are unique in the animal kingdom, living on a eucalyptus diet that would kill other creatures and drinking so little their name comes from the Dharug word gula, meaning "no water." Today, many ...

Powerful technology that efficiently detects and accurately predicts eucalyptus tree species favored by koalas could help ecologists find the best habitats for their conservation. Researchers, in a ...

COLUMBIA — Lottie and her daughter Charlotte spent most of their Tuesday as they do the rest of the week: Resting peacefully atop a eucalyptus-adorned tree at the Riverbanks Zoo and Garden, sometimes ...