Orangutans are stressed by tourists

Observing tourists visiting the sanctuary on Borneo Island, orangutans are often subjected to severe stress , though not prolonged, CNN's information follows the research of biologists at Bloomington University, Indiana (USA). ) said.

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Over the past few years, scientists have watched two orangutan (orang-outang) living in Sabach (north of Borneo Island, Malaysia territory), where tourists often visit. They found the orangutans looking at the visitors with annoyance. Analyzing their droppings the next day, they found abnormally high levels of hormonal stress. But they do not think this is chronic stress.

Zoo animals are often stressed by visitors.

The study authors suggest that ecotourism companies should issue a specific and strict regulation for visitors to the reserve, to protect the health and living of rare and precious species. .

For example, it is necessary to set the minimum distance that they can reach the orangutan is 10m, only allow up to 7 visitors per hour to see the animal. The head of the research team was Michael P. Muehlenbein, writing on behalf of the University on the University's website.

Rules must also include things related to other rare and precious animals living in the reserve. For example, do not get close to animals that are taking care of children, not to approach sick animals .