Giraffes receive a Christmas treat at Taronga Zoo on December 14, 2012 in Sydney, Australia. Taronga Zoo celebrated Christmas early giving Christmas-themed environmental activities to the Zoo's Giraffes, Sun Bears, Meerkats, Aldabra Tortoise and Cockatoos providing a wonderful natural display for Zoo visitors. (Photo by Lisa Maree Williams)

A Aldabra Tortoise receives a Christmas treat at Taronga Zoo on December 14, 2012 in Sydney, Australia. (Photo by Lisa Maree Williams)

A Cockatoo receives a Christmas treat at Taronga Zoo on December 14, 2012 in Sydney, Australia. (Photo by Lisa Maree Williams)

A Sun Bear receives a Christmas treat at Taronga Zoo on December 14, 2012 in Sydney, Australia. (Photo by Lisa Maree Williams)

A Meerkat receives a Christmas treat at Taronga Zoo on December 14, 2012 in Sydney, Australia. (Photo by Lisa Maree Williams)