SYDNEY, AUSTRALIA— A gorilla in Sydney is walking on its hind
two legs, this a day after a gorilla in the United Kingdom
became an internet sensation on Thursday. Mahale, a Western
Lowland Gorilla, has been walking around on two legs at Sydney's
Taronga Zoo. Zoo workers said the human-like behavior is not
new, but they are surprised at how often Mahale does it. The zoo
workers have also said they think the behavior is due to
curiosity. Western Lowland gorillas are endangered, and the
Taronga Zoo is part of a global breeding program. The World
Wildlife Fund estimates that there are about 90,000 of these
species living in the wild.