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Hello Greenzoners! We already spoke about phytoplankton, sea otters and others. Now let’s talk about something more exotic – orangutans. 🙂

Recently orangutan’s populaion on Sumatra island (south-east Asia) have undergone significant decline. For now there’s only 6,600 individuals left and orangutans are now endangered species. The reason of this reduction is, as it often occured, massive deforestation of tropical areas. Genetics scientists investigated the DNA from fecal and hair samples to determine the movement and reproduction pattern – now the orangutan populace are very spread all over the island. Now they live in groups of around 400 individuals, which is bad for them – it declines genetic diversity and may cause problems in further reproduction.

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