http://www.virtualbirder.com/vbirder/realbirds/

http://www.birds.cornell.edu/

http://www.hummingbirds.net/index.html

http://www.birdsource.org/

http://www.owlpages.com/index.php

http://www.birdingpal.org/

http://birding.about.com/

http://birdingonthe.net/

http://www.audubon.org/

http://hummingbirds.com/

http://www.surfbirds.com/

http://www.worldbirdingcenter.org/

 

oklahoma info

http://www.birdsofoklahoma.net/

 

birding photography forums

http://www.onlinephotographers.com/yabbse/index.php

http://www.birdforum.net/pp_gallery/

http://www.photomigrations.com/home.htm

 

Butterfly info

http://www.butterflies.com/

http://www.npwrc.usgs.gov/resource/distr/lepid/bflyusa/bflyusa.htm

http://www.nearctica.com/butter/

 

optics

http://www.optics4birding.com/

www.astronomics.com

 

Gardening for birds

http://www.birdnature.com/trees.html

http://www.rubythroat.org/PlantsNativeTopTen.html

http://www.gwf.org/swhshrub.htm

http://www.prwa.net/pages-links/bird%20berries.html