Gabriel Foundation: National organization dedicated to the improvement of bird keeping practices including behavioral enrichment. They regularly promote the education of veterinarians in proper bird handling and behavior assessment by supporting laboratories at veterinary conferences around the country.
California Hawking Club: California's state falconry club. For a list of falconry organizations in your part of the country, go to the NAFA website link below.
The Peregrine Fund: Organization dedicated to the recovery of the peregrine falcon and other species through scientific research, field studies, and captive propagation.
Mickaboo: Companion bird rescue in the greater San Francisco Bay Area