Welcome to an exciting journey that takes you through the wild and fascinating world of zoos. Our guest for this episode is none other than Bert Castro, the President and Chief Exectutive Officer of the Arizona Center for Nature Conservation. Bert's storied career, beginning as a volunteer zookeeper at the Tulsa Zoo in 1985 to CEO of the Phoenix Zoo, has given him a wealth of knowledge and experiences which he shares with Dr. Biology. We explore the importance of zoos, and the vital role they play in research and conservation, and discuss the intricacies of running a modern zoo. Can you guess how much AZA zoos and aquariums contribute every year toward conservation efforts? Tune in to find out.