Photographers:
Gary Thoburn great web-site of bird photographs - http://www.garytsphotos.zenfolio.com
Bumbling Bears, excellent photos and video of birds from around the world - http://thebumblingbears.zenfolio.com
Richard Stonier, great photos of UK rarities and uk birds - http://www.birdsonline.co.uk
Birding sites:
Rare Bird Alert - The UK's premier information service run by Dick Filby and team - www.rarebirdalert.co.uk