Photo 197421, (c) Mark Rosenstein, some rights reserved (CC BY-NC)

Attribution © Mark Rosenstein some rights reserved Uploaded by maractwin Source Flickr Original http://www.flickr.com/photos/14233971@N04/5287582042/ Associated observations Photos / Sounds What Acorn Woodpecker (Melanerpes formicivorus) Observer maractwin Date December 23, 2010 05:55 AM EST Place California, United States (Google, OSM) Date Added November 2, 2012 12:46 AM EDT 2 IDs Research Grade View Sizes small medium large original