It is located just north of downtown San Diego in Balboa Park. The Bonobo (Pan paniscus) is a mid-sized African primate featured in the Standard Edition of Planet Zoo. The San Diego Zoo is the only zoo west of Texas with a collection of bonobos. The 100-acre (40-hectare) Zoo is home to over 3,700 rare and endangered animals representing more than 650 species and subspecies, and a prominent botanical collection with more than 700,000 exotic plants.