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She's also one of a handful of scientists to perform critical work on the highly endangered silky sifaka and Perrier's sifaka , whose habits remain a mystery to biologists.
Perrier's sifaka of Madagascar and the Tana River red colobus of Kenya are now restricted to tiny patches of tropical forest, leaving them vulnerable to rapid eradication.
You'll see some of the island's wildlife - indri, aye-aye, and sifaka to name a few - and gain a deep understanding of their place in one of the world's most unique ecosystems.
In both cases, sifakas had just carried out long feeding bouts on seeds from over-ripe fallen fruits.
Within a group of sifakas life is reasonably peaceful: members spend a lot more time grooming each other than they do squabbling.
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