Malaysia Orangutans(01 of13)
Open Image ModalFILE - In this Oct. 24, 2009 file photo, an orangutan makes its way across a rope at the Sepilok Orangutan Reserve near Sandakan, in East Malaysia. Malaysian researchers are testing whether three young orangutans reared in captivity can adapt to life in the wild outside Borneo, but activists insisted Wednesday, Feb. 23, 2011, the experiment was a flawed way of trying to help the endangered primates. (AP Photo/Mark Baker, File) (credit:ASSOCIATED PRESS)
INDONESIA THREATENED ORANGUTANS(02 of13)
Open Image ModalA rescued orangutan is monitored by a member of the group Borneo Orangutan Survival after having been tranquilized and brought down from a tree Tuesday Nov. 7, 2006 in Mantangai, Kalimantan province, Indonesia. Land-clearing blazes, poachers and machete-wielding farmers who meet the orangutans fleeing their dwindling habitat, are killing around 1,000 of the endangered animals each year.(AP Photo/Ed Wray) (credit:ASSOCIATED PRESS)
Indonesia Orangutan Survey(03 of13)
Open Image ModalIn this Jan. 9, 2011 photo, a recently released orangutan swings on a tree at a release site in Tanjung Hanau, Central Kalimantan, Indonesia. Villagers living on the Indonesian side of Borneo killed at least 750 endangered orangutans over a yearlong period, some to protect crops from being raided and others for their meat, a new survey shows. (AP Photo/Dita Alangkara) (credit:ASSOCIATED PRESS)
INDONESIA HAZE ORANGUTANS(04 of13)
Open Image ModalKessi, a young female orangutan looks at the stump where her hand was cut off by plantation workers Sunday Nov. 5, 2006 at an orangutan rehabilitation center in Palangkaraya, Kalimantan, Indonesia. Dozens of endangered orangutans have been driven from their dwindling jungle habitat in Borneo by months of land-clearing fires that have shrouded parts of the region in a choking haze, conservationists said Monday. (AP Photo/Ed Wray) (credit:ASSOCIATED PRESS)
INDONESIA HAZE ORANGUTANS(05 of13)
Open Image ModalA young orphaned orangutan plays with other orphans, and their human "babysitters" Sunday Nov. 5, 2006, at an orangutan rehabilitation center in Palangkaraya, Kalimantan, Indonesia. Dozens of endangered orangutans have been driven from their dwindling jungle habitat in Borneo by months of land-clearing fires that have shrouded parts of the region in a choking haze, conservationists said Monday. (AP Photo/Ed Wray) (credit:ASSOCIATED PRESS)
INDONESIA HAZE ORANGUTANS(06 of13)
Open Image ModalTwo young orphaned orangutans stretch out on the grass before being taken to their enclosure for the night Sunday Nov. 5, 2006 in Palangkaraya, Kalimantan, Indonesia. Dozens of endangered orangutans have been driven from their dwindling jungle habitat in Borneo by months of land-clearing fires that have shrouded parts of the region in a choking haze, conservationists said Monday. (AP Photo/Ed Wray) (credit:ASSOCIATED PRESS)
BORNEO NOTEBOOK(07 of13)
Open Image ModalTourists take the opportunity to photograph a semi-wild orangutan at the Semengok Wildlife Rehabilitation Center, 32 kilometers (20 miles) south of Kuching in Sarawak on Wednesday March 13,1996. The center cares for endangered species which have been found injured in the forest, or have been kept as illegal pets. (AP Photo/Richard Vogel) (credit:ASSOCIATED PRESS)
BORNEO NOTEBOOK(08 of13)
Open Image ModalA semi-wild orangutan swings from a tree in the forest and picks his teeth after his lunch at the Semengok Wildlife Rehabilitation Center, 32 kilometers (20 miles) south of Kuching in Sarawak on Wednesday March 13,1996. The center cares for endangered species which have been found injured in the forest, or have been kept as illegal pets. (AP Photo/Richard Vogel) (credit:ASSOCIATED PRESS)
"Baby Orang Utan in the rainforest, wildlife shot"(09 of13)
Open Image Modal'A baby orang utan (Pongo pygmaeus) in a close-up shot, he is hanging on a log in front of his mother. Orang Utans are critically endangered, mostly because their habitat has decreased rapidly due to logging, forest fires and the conversion from tropical forests into palm oil plantations. Shot in Wildlife. Location: Tanjung Puting National Park, Central Kalimantan, Borneo/Indonesia.' (credit:guenterguni via Getty Images)
Male Orangutan(10 of13)
Open Image ModalA male Orangutan in the Borneo jungle playing with a bar of soap. (credit:Photography by tonyarmstrong.com via Getty Images)
Tanjung Puting National Park in Kalimantan, Indonesia(11 of13)
Open Image ModalTanjung Puting National Park in Kalimantan, Indonesia (credit:Paula Bronstein via Getty Images)
Bornean orangutan juvenile hanging from vines, Pongo pygmaeus, Sepilok Reserve, Sabah, Borneo(12 of13)
Open Image ModalBornean orangutan juvenile hanging from vines, Pongo pygmaeus, Sepilok Reserve, Sabah, Borneo (credit:Mint Images - Frans Lanting via Getty Images)
Female orangutan and baby(13 of13)
Open Image ModalFemale Orangutan and baby, Tanjung Puting National Park, Kalimantan, Indonesia (Pongo abelii) (credit:Mike Hill via Getty Images)