Nutters | the monkey production line | Clever Monkeys | BBC

Fascinating video showing how monkeys have learned over time to ripen pine nuts, and have fashioned tools to open them when they are ready to be eaten, in this clip from BBC show Clever Monkeys. Visit http://www.bbcearth.com for all the latest animal news and wildlife videos and watch more high quality videos on the new BBC Earth YouTube channel here:    / bbcearth  

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