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Woodpecker damage ?
Here is a fine example of the foraging work of a Black Woodpecker Dryocopus martius. An impressively large hole has been opened up on this trunk, big enough for a man's hand to easily fit inside. Looking at this, it might be thought that the woodpecker has killed the tree.. but has it really? The tree here is also adorned with fungi and the woodpecker workings are fairly fresh, newer than the fungi. It is clear that the tree was already doomed before the woodpecker opened it up in search of the invertebrates that live inside the rotten timber. And that is the key point, that woodpeckers that hack into timber are looking for prey and most prey lives inside trees that are already dying or dead.
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