The Federal sources seem to be slow frequently and out of service. You may need to keep trying.)
South Carolina Resources:
South Carolina State Parks and Other Non-Federal Lands
South Carolina Federal Areas:
Regional Resources:
Florida Federal Sites:
Georgia Federal Sites:
North Carolina National Federal Sites:
Tennessee Federal Sites:
Bird Checklists of US States from the Northern Prairie Wildlife Research Center
State and Provincial Checklists from Birder.com
Taxonomic Checklists for North America and Hawaii (Includes the Sibley-Monroe, the American Birder's Association and the American Ornithological Union’s lists).