1. a large North American woodpecker with black and white plumage and a prominent ivory-colored bill, now believed to be extinct
Usage: ornithology

Examples

• The ivorybill was once found in the old-growth forests of the southeastern United States.
• Scientists have been searching for evidence that the ivorybill still exists in remote swamplands.
• The last confirmed sighting of an ivorybill was in the 1940s.
• Conservation efforts came too late to save the ivorybill from extinction.
• The ivorybill was known for its distinctive double-knock drumming pattern.
• Habitat destruction was the primary cause of the ivorybill’s decline.