The Oakland Zoo is a zoo located in the Grass Valley neighborhood of Oakland, California, United States. Established in 1922, it is managed by the Conservation Society of California, a non-profit organization dedicated to the conservation of wildlife both locally and globally. T...he zoo is home to over 850 native and exotic animals. It's recognized for its outstanding animal care, particularly its elephant care program, and for its Leed-certified, 17,000 square foot, state-of-the-art veterinary hospital—the largest wild animal veterinary facility in Northern California. Show more