Here are the top 5 most interesting facts about mule deer: Huge Ears for Super Hearing: Mule deer have exceptionally large ears—about 9 inches long—which give them excellent hearing and help them detect predators from a distance. Unique Bounding Gait: They move using a high, springy leap called stotting or pronking, where all four hooves hit the ground simultaneously. This allows them to escape quickly over rough terrain. Record-Breaking Migrations: Some mule deer populations in Wyoming migrate