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The above map is for general location information only and does not imply access. For access information please check on the refuge's web page or contact the refuge directly. Many refuges have specific visitor services and other recreation opportunity maps. All lands and boundaries depicted in the above web map are not survey quality and should not be used for survey or legal purposes. For more information go to https://www.fws.gov/gis/data/CadastralDB/index_cadastral.html.
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The Dusky Seaside Sparrow was a non-migratory subspecies of the Seaside Sparrow, found in Florida in the natural salt marshes of Merritt Island and along the St. Johns River. The last definite known individual died on June 17, 1987, and the subspecies was officially declared extinct in December 1990.