FOR DISABLED BIRDING OR ASSISTANCE:
http://www.tpwd.state.tx.us/landwater/land/programs/tourism/wheelchair_access/
http://www.fws.gov/refuges/birding/birderFriendly.html
TRAVELING BIRDING RESOURCES:
ARIZONA:
http://www.arizonabirder.com/
http://wc.pima.edu/Bfiero/tucsonecology/animals/animals_home.htm
http://tucsonaudubon.org/rba.html