A humane backyard is a safe haven for wildlife—a space where animals can thrive free from pesticides, trapping and other threats.

At Black Beauty Ranch, titles like “caregiver” and “maintenance technician” don’t do the people who hold them justice, and they don’t capture the dozens of unique tasks the team carries out every day: figuring out how to get pine sap off a goat’s horn (rub it with peanut oil), learning how to “drag”...