verb. To quell is to stop or quiet something. An example of quell is to soothe someoneâs anger.
Overview. Black-backed Woodpecker: Small woodpecker with black back, black wings with white spots on flight feathers, barred flanks, white underparts. Head has a conspicuous white cheek mark and yellow crown. Tail is black with white outer tail feathers. Black bill is long and stout. Legs and feet are gray.
Campephilus principalis â the ivory-billed woodpecker â is among the worldâs largest woodpeckers. Only the imperial woodpecker of Mexico, now thought by many to be extinct, was larger than the ivory-bill. See ivory-billed woodpecker photos, maps of the ivory-bill's habitat, and other news and information about the rediscovery of the ivory-billed woodpecker.