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Federal
Conversion factors between eBird observation days and total birding days by state for the Southeast (2011)
Department of the Interior —
Recreational birding is a popular activity in the United States. To assess the spatial distribution of recreational birding activity in the southeastern U.S., we used... -
Federal
Conversion factors between eBird observation days and total birding days by state for the Southeast (2011)
Department of the Interior —
Recreational birding is a popular activity in the United States. To assess the spatial distribution of recreational birding activity in the southeastern U.S., we used...