Photos: Behind the scenes of Australian zoo
69457760
Credit: Getty Images
DUBBO, AUSTRALIA - APRIL 20: "Happy" the hippo is seen at Taronga Western Plains Zoo on April 20, 2012 in Dubbo, Australia. The popular 35 year old Dubbo zoo is set in 3 square km of bushland and is home to over 700 animals. (Photo by Mark Kolbe/Getty Images)
