The hand of an Orangutan named Hang Lipo, aged 1 year and 6 months, is seen as blood samples are taken from him by Orangutan Island staff at a blood collection centre at the Bukit Merah island foundation in Perak, 300 kilometres (186 miles) north of Malaysia’s capital Kuala Lumpur, October 20, 2013.REUTERS/Samsul Said (MALAYSIA – Tags: ANIMALS SOCIETY)

Orang Utan. Photo by Reuters/Samsul Said

Orang Utan. Photo by Reuters/Samsul Said

Orang Utan. Photo by Reuters/Samsul Said

An Orangutan named Hang Lipo, aged 1 year and 6 months, is seen sitting inside a blood collection centre at the Bukit Merah island foundation in Perak, 300 kilometres (186 miles) north of Malaysia’s capital Kuala Lumpur, October 20, 2013. REUTERS/Samsul Said (MALAYSIA – Tags: ANIMALS SOCIETY)

Orang Utan. Photo by Reuters/Samsul Said