Our dogs are our BFFs (that’s best furry friends!), so it’s only natural to wonder what they’re thinking. You might analyze all of their movements and behaviors, from the most interesting dog facts to that adorable head tilt they do.

Catching your dog mid-head tilt makes for super sweet pictures. (It’s only made more adorable by the fact that you have the cutest dog in the world, of course). But why does your dog actually tilt their head? Does it mean they’re listening to you, looking around, or something else?

I spoke to some pet experts to learn all about this common canine behavior and what it means about your dog.

They’re zeroing in on a sound

One big reason your dog may tilt their head is to better pinpoint sounds. Allie Bender, Co-Owner of Pet Harmony Animal Behavior & Training, says that when a dog hears a sound, they may orient their head to “try to triangulate where the sound is coming from.” She notes that dogs may tilt their heads in multiple directions in quicker succession when they’re trying to pick up on certain sounds.

And it may be a sound that you can’t even hear, but they can! Humans can hear high-pitched sounds up to 20,000 Hz, but dogs can hear sounds all the way up to 45,000 to 60,000 Hz, says Dr. Vanessa Spano, DVM, DACVB, Senior Veterinary Behaviorist and Head of Behavior Service at the Schwarzman Animal Medical Center. Even if you don’t hear anything interesting, your dog may be listening and responding to something outside your hearing range.

They’re pinpointing sights

All that head-tilting can actually help a dog see better, too. Dr. Spano explains that a dog’s vision is different than ours. They have poorer depth perception than people do, and they can’t see detail as well—blame that long snout! Head-tilting can help them get a clearer view, so it may mean they are curious or paying attention to something specific they want to see more clearly.

Shih tzu dogs
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They’re happy

Ever notice that when you say those doggie-pleasing buzzwords, like “treat” or “walk,” a precious head tilt quickly ensues? That’s because they’re happy! Dr. Spano says that if your dog tilts their head in response to a cue or a verbal command, it typically means something pleasurable, and the head-tilt signifies excitement and curiosity.

They learned you enjoy it

Head-tilting may also just be learned behavior.

“Dogs do what works for them,” Bender says. “So if a dog is rewarded for doing a behavior, they will continue doing it. What leads up to the behavior may be an external factor (such as seeing a treat) or internal factor (such as wanting attention).”

In other words? If your dog has learned that a head-tilt results in treats or belly rubs, they will keep doing it. Your pup might be working his cuteness to the max, all in the name of scoring a snack.

They’re experiencing a health condition

While head-tilting is undoubtedly adorable, it actually can be a symptom of certain canine health conditions. For instance, Bender says that excessive head-tilting could be the result of an ear infection, meaning your dog is tilting their head in response to pain.

“If the dog tilts his head for a few seconds and then normalizes, especially correlated with a visual or auditory stimulus, likely there is nothing medical to be concerned about,” Dr. Spano says. Basically, some amount of head-tilting is normal and expected, especially in response to an interesting sight or sound.

“However, if the dog stays with a tilted head and exhibits other signs of vestibular (inner ear or brainstem) disease, such as involuntary, rapid eye movement or circling behavior, the dog should be evaluated by their veterinarian.” When paired with these other symptoms, head tilting could be a sign of a disease that affects balance, dizziness, and the inner ear.