PRETORIA, May 5, 2016 (Xinhua) -- A rescued capuchin holds a volunteer's finger at the base of International Primate Rescue (IPR), north of Pretoria, South Africa on May 5, 2016. The IPR rescued a total of 49 rescued monkeys from Little Falls Garden Center in Johannesburg on April 28, 2016. These abused and malnourished monkeys, except one which died for severe abuse, have been thoroughly checked, weighed, photographed and treated. (Xinhua/Zhai Jianlan)

PRETORIA, May 5, 2016 (Xinhua) -- A rescued capuchin holds a volunteer's finger at the base of International Primate Rescue (IPR), north of Pretoria, South Africa on May 5, 2016. The IPR rescued a total of 49 rescued monkeys from Little Falls Garden Center in Johannesburg on April 28, 2016. These abused and malnourished monkeys, except one which died for severe abuse, have been thoroughly checked, weighed, photographed and treated. (Xinhua/Zhai Jianlan)

PRETORIA, May 5, 2016 (Xinhua) -- A rescued capuchin drinks water at the base of International Primate Rescue (IPR), north of Pretoria, South Africa on May 5, 2016. The IPR rescued a total of 49 rescued monkeys from Little Falls Garden Center in Johannesburg on April 28, 2016. These abused and malnourished monkeys, except one which died for severe abuse, have been thoroughly checked, weighed, photographed and treated. (Xinhua/Zhai Jianlan)

PRETORIA, May 5, 2016 (Xinhua) -- A volunteer of International Primate Rescue (IPR) feeds a rescued capuchin a pain reliever at the base of International Primate Rescue (IPR), north of Pretoria, South Africa on May 5, 2016. The IPR rescued a total of 49 rescued monkeys from Little Falls Garden Center in Johannesburg on April 28, 2016. These abused and malnourished monkeys, except one which died for severe abuse, have been thoroughly checked, weighed, photographed and treated. (Xinhua/Zhai Jianlan)

PRETORIA, May 5, 2016 (Xinhua) -- Sue Mousley, founder of International Primate Rescue (IPR), interacts with a rescued capuchin at the base of International Primate Rescue (IPR), north of Pretoria, South Africa on May 5, 2016. The IPR rescued a total of 49 rescued monkeys from Little Falls Garden Center in Johannesburg on April 28, 2016. These abused and malnourished monkeys, except one which died for severe abuse, have been thoroughly checked, weighed, photographed and treated. (Xinhua/Zhai Jianlan)

PRETORIA, May 5, 2016 (Xinhua) -- Photo taken on May 5, 2016 shows a badly-abused capuchin at the base of International Primate Rescue (IPR), north of Pretoria, South Africa. The IPR rescued a total of 49 rescued monkeys from Little Falls Garden Center in Johannesburg on April 28, 2016. These abused and malnourished monkeys, except one which died for severe abuse, have been thoroughly checked, weighed, photographed and treated. (Xinhua/Zhai Jianlan)

PRETORIA, May 5, 2016 (Xinhua) -- A volunteer of International Primate Rescue (IPR) interacts with a rescued capuchin a pain reliever at the base of International Primate Rescue (IPR), north of Pretoria, South Africa on May 5, 2016. The IPR rescued a total of 49 rescued monkeys from Little Falls Garden Center in Johannesburg on April 28, 2016. These abused and malnourished monkeys, except one which died for severe abuse, have been thoroughly checked, weighed, photographed and treated. (Xinhua/Zhai Jianlan)

PRETORIA, May 5, 2016 (Xinhua) -- A rescued common marmoset eats a gummy multivitamin at the base of International Primate Rescue (IPR), north of Pretoria, South Africa on May 5, 2016. The IPR rescued a total of 49 rescued monkeys from Little Falls Garden Center in Johannesburg on April 28, 2016. These abused and malnourished monkeys, except one which died for severe abuse, have been thoroughly checked, weighed, photographed and treated. (Xinhua/Zhai Jianlan)

PRETORIA, May 5, 2016 (Xinhua) -- A rescued capuchin eats corn at the base of International Primate Rescue (IPR), north of Pretoria, South Africa on May 5, 2016. The IPR rescued a total of 49 rescued monkeys from Little Falls Garden Center in Johannesburg on April 28, 2016. These abused and malnourished monkeys, except one which died for severe abuse, have been thoroughly checked, weighed, photographed and treated. (Xinhua/Zhai Jianlan)