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Illustration of an Ivory-billed Woodpecker (Campephilus principalis) egg, 34 × 23.7 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Extinct

Campephilus principalis

  • 34 × 23.7 mm (estimated)
  • Speculative: we haven't found documented measurements of this egg yet, so we estimated its size from related birds.
Breeds in United States

White with the highest porcelain gloss, elongated and more pointed than most woodpecker eggs.

Sources of information

Size
Nehrkorn, A. 1899. Katalog der Eiersammlung nebst Beschreibungen der aussereuropäischen Eier. Braunschweig.
Description
Schönwetter, M. 1960–1992. Handbuch der Oologie (ed. W. Meise), Lieferung 12. Akademie-Verlag, Berlin., pdf p. 39.
Shape
Drawn from the length and width, with the taper estimated from the typical eggs of its group (how these eggs are drawn).

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