The Ivory-billed Woodpecker (Campephilus principalis) is one of the most iconic and elusive birds in North American ornithology. Here’s a detailed overview of this species:


Campephilus principalis Copyright Tomasz COFTA 2008. e-mail: tomek1@orunia.nsm.pl

🔍 Basic Information

  • Scientific Name: Campephilus principalis
  • Family: Picidae (Woodpeckers)
  • Conservation Status: Critically Endangered / Possibly Extinct (IUCN Red List)
  • Range: Historically found in the southeastern United States and parts of Cuba.

🐦 Physical Description

  • Size: One of the largest woodpeckers in the world, around 18–20 inches (45–51 cm) in length with a wingspan of about 30 inches (76 cm).
  • Coloration:
    • Black body with white markings on the wings and neck.
    • Males have a prominent red crest; females have a black crest.
    • The bill is ivory-white, giving the bird its name.

🌲 Habitat

  • Prefers mature bottomland hardwood forests and swamps with abundant dead or dying trees.
  • Relies on these habitats for feeding (on beetle larvae under bark) and nesting.

❗️Conservation and Controversy

  • Long thought to be extinct due to habitat destruction and hunting.
  • Last universally accepted sighting: 1944 in Louisiana.
  • Unconfirmed reports and brief sightings have continued into the 21st century:
    • A high-profile claim in 2004 in Arkansas sparked massive interest and debate, but conclusive evidence has remained elusive.
  • The U.S. Fish and Wildlife Service proposed delisting it as extinct in 2021, but postponed the decision due to ongoing reports and public feedback.

📸 Identification Tips (vs. Pileated Woodpecker)

  • Ivory-billed: White trailing edges on wings visible in flight, pointed crest.
  • Pileated Woodpecker (Dryocopus pileatus): More common; has black trailing edges, different flight pattern, and a red crest on both sexes.

🧬 Cultural and Scientific Significance

  • Known as the “Lord God Bird” because of the astonished exclamations people would make upon seeing it.
  • Symbolizes both hope and loss in conservation circles.
  • Subject of numerous searches, documentaries, and books.

Would you like help identifying one, learning about its calls, or exploring the most recent reports or expeditions related to it?

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