Biggest ears are mule deer. Named for their large ears. Each ear can move independently to hear danger. Mule deer inhabit the Great Plains, Rockies, and southern U.S. Many winter in high heights.
The black-tailed jackrabbit can reach 40 mph and jump 15 feet. Jackrabbits are native to Washington, California, Texas, and Nebraska. It grows on grasslands, deserts, and farmland in these states.
Africa and India have caracals. They live in savannas and forests alone or in pairs. Nighttime and clandestine. 25-40 lb. tufted-ear cats. Caracals communicate visually by moving their heads and ear-tufts.
Bush elephants have the biggest ears. Beautiful creatures flap their ears to remain cool and mark territory. African elephant matriarchs lead herds. Mature males only join herds during mating season.
African painted dogs are canids. They dwell in wolf-like packs. Each pack has a dominant pair that breeds. The pack hunts together and uses its big ears to listen for prey and communicate. Their ears keep them cool.
Generations have bred the basset hound's big ears. Basset hounds' ears drag to pick up scents. This makes basset hounds great hunting and police/rescue dogs.
Small and eared, the Fennec Fox is popular. These foxes devour lizards, birds, eggs, tiny rodents, and even larger rabbits. Fennec foxes in North Africa's Sahara Desert use their large ears to hunt prey and stay cool.
The serval lives in Africa's savannas. It eats fish, birds, small mammals, reptiles, frogs, and even insects. Servals use their ears to find prey and evade predators. They catch prey by leaping high and pouncing on it.