A handout image released by Taronga Zoo on 07 August 2015 shows a tiny wallaby joey at Taronga Zoo in Sydney, Australia. Two tiny wallaby joeys have poked their heads out of their mother's pouch, introducing themselves at Taronga Zoo. The zoo has welcomed the pair of baby Brush-tailed Rock-wallabies as part of a successful breeding program for endangered species. (Photo by EPA/Taronga Zoo)
