http://news.bbc.co.uk/earth/hi/earth_news/newsid_8651000/8651148.stm

By Jody Bourton Earth News reporter

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Extraordinary locust feast event filmed in Ethiopia

Geladas have been filmed feasting on a swarm of locusts in the highlands of Ethiopia, behaviour rarely seen before.

Scientists recorded the extraordinary scenes with a video camera as millions of desert locusts invaded the grasslands where the geladas live.

The primates are known to feed almost exclusively on grass, so eating insects this way is highly unusual.

The intensive feeding raises concerns that using pesticides to limit locusts can have adverse affects on wildlife.

The study is published in the journal Primates.