Koalas are a nationally endangered and iconic species in Australia, yet their populations are rapidly declining due to habitat loss, fragmentation, and disease, and very little is known about the fine ...

For most of the day and night, koalas barely move. They nap curled into tree forks, or chew carefree on eucalyptus leaves. But for a few fleeting minutes, usually just 10 out of 1,440, they come down ...