Acorn Woodpecker
 Melanerpes formicivorus

 Chilao Visitors Center
 Angeles Crest Highway, California
 4 Apr 1997

 by Margaret T. Sanchez
 ©Margaret T. Sanchez

   

 Acorn Woodpecker
 Melanerpes formicivorus

 Near Boulder, Utah
 6 Oct 2004

 by Cordell Peterson
 ©Cordell Peterson

   

 Acorn Woodpecker
 Melanerpes formicivorus

 Devil's Campground
 San Juan County
 8 Apr 2006

 by Tim Avery
 ©Tim Avery