continuing decline of Red-headed Woodpecker

Much study has been devoted to the decline of the Red-headed Woodpecker. It continues to decline in some areas of its range in North America, although declines may have leveled off in some other regions. See a 50-year graph of CBC records for this species in the United States as a whole, below.

For more about this species, see the following online resources:
http://www.wisconsinbirds.org/plan/species/rhwo.htm

http://audubon2.org/watchlist/viewSpecies.jsp?id=176

http://www.birdlife.org/datazone/species/index.html?action=SpcHTMDetails.asp&sid=574&m=0

http://dnr.wi.gov/wnrmag/html/stories/2005/aug05/red.htm

http://usclancaster.sc.edu/faculty/scarlett/RHWP.htm