While formal post-secondary degrees are not strictly required for many entry-level animal caretaker positions—as many facilities provide comprehensive on-the-job training—holding relevant educational credentials can significantly enhance career advancement. Acquiring an associate or bachelor's degree in animal science, biology, zoology, or veterinary technology provides foundational knowledge in animal behavior, nutritional science, and disease prevention, making applicants far more competitive for specialized roles within zoos, research institutions, and large aquariums.