All About Birds - You can listen to and see photos of ANY species of bird here!!! THIS IS AN AMAZING SITE!!!
CoBirders - Yahoo birding group in Colorado, postings include rare bird alerts daily and by county.
Bald Eagle Chicks Live Cam! - On April 12, 2006 a bald eagle chick successfully broke from its shell unassisted by humans in a 5 foot round nest high in a tree on the north shore of Santa Cruz Island. The last known successful nesting of a bald eagle on the Northern Channel Islands was in 1949 on Anacapa Island.
Jeff Poklen's Website - Excellent Photos of shore birds from Santa Cruz, CA
Monterey, CA Seabirds - More cool photos of shore birds
Birdingpal Forum - Especially for Traveling Birders
California Birding - A little bit of everything.
Bird Sounds ONLY - This site has several calls for each species of bird.
Here are some links I have not had the time to check out yet. I was told however, by an expert birder that these sites are great!
http://worlddmc.ohiolink.edu/media/borror/blbLogin?b=title
http://americanbirding.org/index.html
http://www.birdzilla.com/index.html
http://www.birdpop.org/alphacodes.htm
http://birdingonthe.net/
http://www.buteobooks.com/
http://www.birds.cornell.edu/
http://www.fws.gov/migratorybirds/
http://www.drollyankees.com/
http://enature.com/home/
http://www.ferruginoushawk.org/research/flash_map_all.html
http://www.geocities.com/RainForest/Canopy/6181/gulls.htm
http://www.birdinfo.com/birdindex.html
http://www.hummingbirds.net/
http://www.hummingbirdsplus.org/
http://www.sabo.org/hummers.htm
http://www.hummingbirdsociety.org/indexnew.asp
http://www.mbr-pwrc.usgs.gov/id/framlst/i4310id.html
http://ksbirds.org/
http://www.ksbirds.org/kos/index.html
http://www.learner.org/jnorth/
http://www.owlpages.com/sounds.php
http://www.whatbird.com/
http://elibrary.unm.edu/sora/
http://www.sibleyguides.com/
http://www.naturesongs.com/
http://www.mbr-pwrc.usgs.gov/id/songlist.html
http://ibc.hbw.com/ibc/index.html
http://www.bsc-eoc.org/avibase/avibase.jsp?pg=summary&lang=EN
http://www.fatbirder.com/