Why Are My Bunny’s Ears Down? Causes and Signs

A rabbit’s ears dropping down is usually just a sign of relaxation, but it can also signal fear, pain, or a medical problem depending on what the rest of the body is doing. The key is reading your rabbit’s ears alongside their overall posture, behavior, and whether anything else looks off.

Relaxed Ears vs. Stressed Ears

Rabbits communicate almost entirely through body language, and their ears are one of the most expressive parts of their body. Ears that are loosely laid back or flopped to the sides while your rabbit’s body is relaxed simply mean they’re resting or content. This is completely normal and one of the most common reasons you’ll see ears down.

The picture changes when the ears are pinned flat against the back and the body is tense. A rabbit holding this posture is upset, scared, or angry. You’ll usually notice other signs too: wide eyes, a crouched or frozen stance, thumping hind feet, or lunging. If something in the environment recently changed (a loud noise, a new pet, being handled in a way they don’t like), that’s likely the trigger. Once the stressor passes, the ears should return to their normal position.

If you have a lop-eared breed, their ears naturally hang down all the time. This is genetic, not a sign of any problem. The concern starts when an upright-eared rabbit suddenly has one or both ears drooping in a way that’s unusual for them.

Pain Can Change Ear Position

Rabbits are prey animals, which means they instinctively hide pain. Ear position is one of the facial cues veterinarians use to assess discomfort. A pain scoring system called the Rabbit Grimace Scale rates five facial features, including ear position, on a 0 to 2 scale. Ears that are rotated back and held tightly against the head, combined with squinted eyes, flattened cheeks, and tense whiskers, point toward pain rather than relaxation.

If your rabbit’s ears have been down for hours and they’re also sitting hunched, grinding their teeth (a sign of gut pain), refusing food, or pressing their belly to the ground, something hurts. GI stasis, dental problems, and urinary issues are common culprits in pet rabbits. These situations need veterinary attention quickly, since rabbits can deteriorate fast once they stop eating.

Ear Infections and Head Tilt

A middle ear infection is one of the most straightforward medical causes of a drooping ear. It typically shows up with head shaking and visible drooping on the affected side. If the infection spreads deeper into the inner ear, you’ll see more alarming signs: a persistent head tilt, loss of balance, circling, stumbling, or rolling to one side. Some rabbits develop involuntary eye movements, where the eyes flick back and forth rhythmically.

Swelling from the infection can compress the facial nerve, causing one side of the face to droop. You might notice the lip sagging on the same side as the affected ear, giving the face an asymmetrical look. This facial paralysis can develop if the infection goes untreated.

A tiny parasite called E. cuniculi is the other major cause of these vestibular symptoms. It causes inflammation in the brain and is extremely common in domestic rabbits. The symptoms overlap heavily with inner ear infections: head tilt, balance problems, flickering eyes, facial drooping. Your vet will need to run tests to distinguish between the two, since the treatments differ. If your rabbit’s ear is drooping and they seem off-balance or tilted, that combination warrants a same-day vet visit.

Ear Mites and Crusting

Ear mites are the most common external parasite in rabbits. The telltale sign isn’t just droopy ears but thick, red-brown crusts building up inside the ear canal and on the inner surface of the ear flap. The infestation starts with redness and swelling, then progresses to flaking, thickened skin and crusty debris that can eventually fill the outer ear canal.

A rabbit dealing with ear mites will scratch at their ears intensely and shake their head frequently. The discomfort and weight of the crusty buildup can cause ears to hang lower than usual. Left untreated, the scratching and irritation can lead to secondary bacterial infections, compounding the problem. Ear mites are treatable with antiparasitic medication, and the crusts will resolve as the mites are eliminated.

Ear Hematomas

If one ear suddenly looks swollen and heavier than the other, your rabbit may have an aural hematoma. This is a pocket of blood that forms between the skin and cartilage of the ear flap, usually triggered by vigorous head shaking or intense scratching. The ear feels warm, puffy, and fluid-filled. It’s often a secondary problem, meaning something else (mites, an infection, an irritant) caused the scratching that led to the blood vessel rupture.

A hematoma won’t resolve on its own and typically needs to be drained. Without treatment, the ear can heal with permanent scarring and a crumpled, thickened appearance.

Heat Stress and Ear Changes

Rabbits can’t sweat. Their ears function as radiators, with a dense network of blood vessels that dilate to release body heat. When a rabbit is warm, blood flow to the ears increases and you may notice the ears looking pinker, feeling warmer, and hanging more loosely as the vessels open up. This is normal thermoregulation.

The concern is when ears become very hot and floppy alongside other signs of overheating: rapid breathing, lethargy, drooling, or stretching out flat on cool surfaces. Rabbits are vulnerable to heatstroke at temperatures above about 80°F (27°C), especially in humid conditions. If your rabbit seems limp and their ears are burning hot, move them to a cooler area immediately and offer cool (not ice-cold) water.

How to Read the Full Picture

A single symptom rarely tells the whole story. When you notice your rabbit’s ears are down, look at everything else happening at the same time:

  • Ears down, body relaxed, eyes soft or half-closed: your rabbit is resting comfortably.
  • Ears pinned back, body tense or frozen: fear or anger, usually triggered by something in the environment.
  • One ear drooping, head shaking, scratching: possible ear infection, mites, or hematoma.
  • Ears down with head tilt, loss of balance, or eye flickering: inner ear infection or E. cuniculi, needs prompt veterinary care.
  • Ears down with hunched posture, teeth grinding, not eating: pain from a GI, dental, or other internal issue.
  • Ears hot and floppy in warm weather, rapid breathing: heat stress.

Most of the time, ears down simply means a happy, relaxed bunny. The red flags are sudden changes from your rabbit’s normal ear carriage, asymmetry between the two ears, or any accompanying symptoms like balance problems, crusting, swelling, or changes in appetite. Those patterns point toward something that needs attention.