Please CLICK on Pictures for specific data and File Numbers for photos:
 
| Acorn Woodpecker, Melanerpes
  formicivorus <#272> -- H. Clarke     | Acorn Woodpecker, Melanerpes formicivorus
  <#453>
  -- K. Hansen, J. Petersen & T. Theimer     | Acorn Woodpecker, Melanerpes
  formicivorus <#73> -- R. Leung       | Black-backed or Three-toed Woodpecker, Picoides
  arcticus <#627> -- J. J. Audubon     | 
| Black-backed or Three-toed Woodpecker, Picoides
  arcticus <#454> -- K. Hansen, J. Petersen &
  T. Theimer     | Downy Woodpecker, Picoides (Dendrocopos) pubescens
  <#217>  --
  J. J. Audubon     | Downy Woodpecker, Picoides
  pubescens <#72> -- R. Leung     | Gila Woodpecker, Melanerpes uropygialis
  <#315>
  -- H. Clarke     | 
| Hairy Woodpecker, Picoides villosus <#565>  --
  J. Farrand, Jr.       | Hairy Woodpecker, Picoides villosus <#450>
  -- K. Hansen, J. Petersen & T. Theimer     | Hairy Woodpecker, Picoides
  villosus <#825> -- D. L. Malick     | Ivory-billed Woodpecker, Campephilus
  principalis (extinct) <#167> -- J. J.
  Audubon     | 
| Ladder-backed
  Woodpecker, Picoides scalaris <#316>
  -- H. Clarke       | Lewis’ Woodpecker, Melanerpes
  (Asyndesmus) lewis <#675>  -- J. J. Audubon     | Lewis’ Woodpecker, Melanerpes
  (Asyndesmus) lewis <#414> --A. Brooks     | Nuttall’s Woodpecker, Picoides
  nuttalli <#271>  -- H. Clarke   | 
| Nuttall’s Woodpecker, Picoides
  nuttallii <#451> -- K. Hansen, J. Petersen &
  T. Theimer     | Pileated Woodpecker, Dryocopus
  pileatus <#692>  -- J. J. Audubon     | Pileated Woodpecker, Dryocopus
  pileatus <#455> -- K. Hansen, J. Petersen &
  T. Theimer     | Pileated Woodpecker, Dryocopus
  pileatus <#760> -- A. Menaboni     | 
 
| White-headed
  Woodpecker, Picoides albolarvatus <#292>
  -- H. Clarke     |