Two White-headed Woodpeckers (Picus or Picoides albolarvatus) foraging for insects, circa 1850. Print by Baird after T. W. Wood. (Photo by Hulton Archive/Getty Images)

Two White-headed Woodpeckers (Picus or Picoides albolarvatus) foraging for insects, circa 1850. Print by Baird after T. W. Wood. (Photo by Hulton Archive/Getty Images)

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