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Unlike most African animals, geladas are adapted to life in the cold.

They used to be one of Africa's most successful primates, found all over the continent.

At one stage, there were six different species.

Now, there is only one.

With the warming climate, their grazing is becoming more and more scarce, restricted to cooler and higher places.

These geladas are being forced higher into the mountains.

Soon, there will be nowhere left to go.

This is a species living on the edge.

Even though they're isolated on the mountain tops,

they're not immune to our influence.

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