Wikipedia
An invaluable resourse if you don't have access to all the world's bird books. I have used this extensively, especially to determine where specific species are found.

Museum of Coast Carolina
The Museum is located on Ocean Isle Beach, NC and provides information about ocean ecology, including coastal birds.

Cape Fear Audubon Society
The local chapter of the National Audubon Society, serving Brunswick, Pender, New Hanover, and Onslow counties.

National Audubon Society
Provides general birding information.

Carolina Bird Club
Meets 3 times per year. Leads bird trips. A great photo gallery. Finding birds in the Carolinas (WIKI based).

Cornell University's BIRD GUIDE
The online BIRD GUIDE contains bird photos and facts, plus recorded bird songs.

NC Birding Trail
Provides links to many North Carolina birding sites.

Ted Grussing
A wonderful photographer, soaring pilot, plus he likes birds.