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For 50 years the ivory-billed woodpecker has been widely considered extinct. But the Elvis of the bird-watching world is alive in eastern Arkansas, bird experts announced today.(Watch a video on the discovery from the Nature Conservancy [requires Windows Media Player ].).his really is the holy grail.. Among the world's largest woodpeckers, the ivory-bill is one of six North American bird species suspected or known to have gone extinct since 1880. The last conclusive sighting of the woodpecker was in Louisiana in 1944.
Red-bellied Woodpecker. Woodpeckers belong to the family Picidae, which also includes sapsuckers and flickers. More than 300 species of woodpeckers are known throughout the world, and 22 species inhabit the United States. Seven species are common to Pennsylvania, and a few others visit the state in winter.