Habitat loss, disease, and climate change are driving koalas toward extinction. Learn what’s threatening them and how to help ...

Unfortunately, eucalyptus habitats critical to koalas are increasingly threatened by wildfires, agriculture, mining, urban expansion, and logging. Since European settlement, more than 80% of the ...

A thirsty koala eagerly licks the trunk of a eucalyptus tree in the rain. (Valentina Mella) One adult female, with a joey, was observed drinking profusely and uninterruptedly for 15 minutes.

Additionally, koalas select specific types of eucalyptus trees (a few dozen out of the 500 species) that have lower levels of cineole. Cineole is poisonous, yet under the right conditions ...

After all, koalas are notorious slackers. These Australian marsupials munch on eucalyptus leaves, their sole diet, for four hours a day and sleep for the other 20.

Eucalyptus leaves already have little nutritional value, he said, and koalas have adapted to their poor diet by sleeping to conserve energy. "It's a very precarious existence," Tyndale-Biscoe said.

Koalas are threatened by the rising level of carbon dioxide pollution in the atmosphere because it saps nutrients from the eucalyptus leaves the animals feed on, a researcher said Wednesday.

For the first time ever, a baby koala has been born at a Dutch zoo. The Ouwehands Dierenpark, located in Rhenen, in the ...

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 ...

A stock image of a koala. A koala nicknamed Claude has been stealing eucalyptus plants from a nursery in Australia. ISTOCK / GETTY IMAGES PLUS Koalas are some of Australia's most charismatic ...