Boidnoise Various nature recordings by Bernhard Kroeger



  • Acorn Woodpecker (Melanerpes formicivorus) at Upper Bridgeport SP in Nevada County, CA

    Acorn woodpeckers are common and sociable oak woodland birds in the Sierra foothills.  They are easily recognized by their clown-like faces and raucus calls.  In your wanderings you may have seen dead trees covered with holes that contain acorns.  These are called larder trees, and are the acorn woodpecker’s granary.  A breeding group of numerous individuals will cooperate in it’s creation and defense.

    This bird was recorded at the upper part of Bridgeport State Park along the Yuba River in Nevada County on April 17, 2007.  What you hear is the typical short, gutteral call.  Also present is the call of a  Bewick’s wren (Thryomanes bewickii).

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    Published on February 3, 2009 · Filed under: WOODPECKERS;
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