Bibliography+Condor+4

http://library.thinkquest.org/4022/condor.htm http://geocities.com/RainForest/Vines/9953/californiacondor.html http://www.amnh.org/nationalcenter/Endangered/index.html

http://www.npca.org/wildlife_protection/wildlife_facts/condor.html

the California Condor author-Alvin and Virginia Silverstein and Laura Silverstein Nunn