Hello! To gauge the quality of services at Oakland Zoo, I recommend checking reputable review platforms such as Yelp or TripAdvisor for visitor reviews and experiences. While I don’t have personal experiences with the zoo, exploring these platforms should provide valuable insights from individuals who have visited Oakland Zoo. Additionally, joining local community forums or social media groups may offer firsthand opinions from people who have enjoyed the zoo’s services. Thank you for seeking feedback, and I hope you gather helpful insights for your decision-making regarding Oakland Zoo!