Acorn Woodpecker

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Acorn Woodpecker

The clown-like acorn woodpecker lives in large groups throughout western oak woodlands.  The group spends most of its time collecting and protecting acorns that they store in a single dead branch or tree called a granary tree.  They will also bore acorns into human-made structures, often stuffing them into our wood siding and windowsills.

The Acorn woodpecker population is considered stable, but it is heavily dependent on oak woodlands.  Habitat degradation in the form of Sudden Oak Death (caused by the pathogen Phytophthora ramorum) is having a serious impact on western oak forests.  Encroaching suburbs and agricultural development of vineyards is also a concern.

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