Woodpeckers may find their hidden prey by sound and/or smell.
As the woodpecker strikes the tree, hollow sounds may echo off of the tunnels (galleries) of wood boring insects (like thumping a watermelon.)
When feeding on wood, grubs make an audible sound that could be heard by a woodpecker.
As the woodpecker strikes the tree, hollow sounds may echo off of the tunnels (galleries) of wood boring insects (like thumping a watermelon.)
When feeding on wood, grubs make an audible sound that could be heard by a woodpecker.
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- Woodpeckers, fun animal facts, birds
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