Dave Watts / Koala with young in tree {Phascolarctos cinereus} Queensland, Australia

Dave Watts / Koala (Phascolarctos cinereus), eating Eucalyptus leaves, Victoria, Australia.

Suzi Eszterhas / Common Wombat (Vombatus ursinus) seven month old orphaned joey at feeding time, Bonorong Wildlife Sanctuary, Tasmania, Australia

Suzi Eszterhas / Common Wombat (Vombatus ursinus) foster mother, Linda Tabone, bottle feeding six month old orphaned joey, Bonorong Wildlife Sanctuary, Tasmania, Australia

Suzi Eszterhas / Common Wombat (Vombatus ursinus) five month old orphaned joey with pacifier in mouth, Bonorong Wildlife Sanctuary, Tasmania, Australia

Suzi Eszterhas / Common Wombat (Vombatus ursinus) orphan met by children, Bonorong Wildlife Sanctuary, Tasmania, Australia

Suzi Eszterhas / Common Wombat (Vombatus ursinus) orphan with sanctuary director, Greg Irons, Bonorong Wildlife Sanctuary, Tasmania, Australia

Suzi Eszterhas / Koala (Phascolarctos cinereus) mother with joey aged eight months, Queensland, Australia, captive.

Suzi Eszterhas / Koala (Phascolarctos cinereus) mother and joey aged sixth months, Queensland, Australia, captive.

D. Parer & E. Parer-Cook / Common Wombat (Vombatus ursinus) on lawn, Maria Island National Park, Tasmania, Australia

Suzi Eszterhas / Common wombat (Vombatus ursinus), two joeys hiding in burrow, both orphaned and in rehabilitation. Bonorong Wildlife Sanctuary, Brighton, Tasmania, Australia. Captive.

Suzi Eszterhas / Common wombat (Vombatus ursinus), orphaned joeys in outdoor area at Bonorong Wildlife Sanctuary, Brighton, Tasmania, Australia. Captive. Model released.