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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.
(Gould, 1832) The imperial woodpecker (Campephilus imperialis) is a member of the woodpecker family, Picidae. The genus Campephilus is essentially a tropical one, embracing 13 species, including the imperial woodpecker. If it is not extinct, it is the world's largest woodpecker species, at 56â60 cm (22â23.5 in) long. Researchers have discovered that the imperial woodpecker has slow climbing strides and a fast wing-flap rate compared with other woodpeckers.