Black-backed jackal with its signature oversized ears alert. The dense white hairs inside the outer ear function like a microphone “wind muff.” They keep the inner ear clean, break up static, and help pinpoint high-frequency rustles.
The Savanna’s Living Satellite Dishes
On the floor of the the Ngorongoro Crater, Tanzania, the Black-backed Jackal moves through the grass. Its most striking features are its oversized, upright ears—satellite dishes that function like high-gain antennas. These aren’t just for show; they are tools that gives this omnivore a level of situational awareness that few predators can match.
the Art of the Swivel
Specialists call it “independent pinna movement,”* but to the jackal, it’s simply the art of the swivel. By rotating each outer ear separately—up to 180 degrees—it can triangulate a sound with pinpoint accuracy, whether it’s the tiny rustle of a dung beetle or the ominous snap of a distant twig. While a few humans can wiggle their ears on demand, the jackal is a master of this muscular feat, turning its entire head into an acoustical mapping device.
A Radiator Under the African Sun
But these ears do more than just listen; they breathe. Laced with a delicate web of blood vessels, the wide surface area acts as a natural radiator. As the African sun climbs, the jackal sheds excess body heat into the passing breeze, staying cool while others wilt.
This auditory precision is the secret behind the jackal’s iconic “mousing” pounce—a leap of pure faith guided by sound alone. But even in its downtime, the ears remain active, flickering to relay moods and warnings to a lifelong mate.
From eavesdropping on a lion’s kill to surviving the midday glare, these animated antennas help explain the resilience of this amazing animal.
*The pinna or auricle refers to the visible outer ear assembly, made of skin and cartilage. The pinna collects and directs sound waves into the ear canal. Independent pinna movement is achieved by muscles that connect the ear to the skull and scalp. Cats, kangaroos, horses, and, of course, jackals, are among the animals that have this capability.
For more on scavengers of East Africa, see our post, “Scavengers of Ngorongoro: Lessons on Energy and Renewal.”
Bible Land Explorers are headed back to Tanzania June 3-13, 2027. Lake Victoria, the Serengeti, and Ngorongoro Crater, are on our agenda as we photo-hunt big cats, small birds, and everything in-between. We are now receiving early registrations for this exclusive small-group adventure. See the link here for brochure and more information or email us at BibleLandExplorer@gmail.com.
