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  • Audubon Christmas Bird Count
    Date: 01/01/1900
    Resource Category: Project Descriptions
    The CBC database is the repository of early winter bird observations recorded since 1900. Currently there are over 2100 count circles submitted each year (as of 2008). The database provides information for compilers, regional editors, Audubon conservation staff, ornithologists, academic researchers, federal, state and local wildlife and land ... »