INVESTIGADORES
LAMMERTINK Jeroen Martjan
congresos y reuniones científicas
Título:
Search coverage for Ivory-billed Woodpecker (Campephilus principalis) in the southeastern U.S.A. during 2004-2009
Autor/es:
LAMMERTINK, M.; HUNTER, WC; ROHRBAUGH RW; ROSENBERG KV
Lugar:
Campos do Jordao, Brasil
Reunión:
Congreso; 25th International Ornithological Congress; 2010
Resumen:
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The ivory-billed woodpecker is a critically endangered species originally found in the southeastern United States and Cuba. Sightings and video documentation of one ivory-billed woodpecker in 2004 and 2005 in eastern Arkansas, although not universally accepted, sparked the formation of a U.S. Fish and Wildlife Recovery Team for this species. Unconfirmed reports of ivory-billed woodpeckers and existence of potential habitat outside Arkansas motivated searches throughout the historical U.S. range of the species. We report on the search methods and areas searched during 2004-09 in ten states and present an analysis of the efficacy of the search coverage. It is improbable a population of ivory-billed woodpeckers exists in eastern Arkansas, and we have not found conclusive evidence for the presence of the species elsewhere. Nevertheless, we have identified areas with suitable habitat where search coverage cannot rule out presence of small numbers of individuals. Risk of shooting has declined since the early 20th century, and habitat conditions have improved in several areas in recent decades. Declaring the ivory-billed woodpecker extinct is still premature.
