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Neat News 2016-112 (added 2016-04-21)

Woodpecker Communicate by Banging

woodpecker.jpg
© J.M.Garg

Woodpeckers drum on trees to drill holes in them and find insects that they can eat. However, they also send signals by drumming. For instance, they can signal strength in order to keep competitors at distance.

News seen at: Scientific American - 60 seconds science

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