Understanding Your Pet: A Guide to Dog and Cat Behavior
Pets communicate constantly — through posture, sound, tail position, and a dozen other signals most of us learn to read intuitively over time. But knowing what you're looking at makes the difference between a missed cue and a real conversation.
This guide covers the most common dog and cat behaviors, what they actually mean, and how to respond — including when a behavior change is a signal worth bringing to a vet.
Dogs
What your dog is telling you.
Tail position and movement
A wagging tail doesn't automatically mean a happy dog — speed, height, and body posture all matter. Reading the whole dog, not just the tail, is the key.
Fast wag, loose body
Genuine excitement and friendliness. The whole rear end often moves with it.
Slow, stiff wag
Caution or uncertainty. The dog is assessing the situation — not necessarily friendly.
Tucked tail
Fear or submission. Give the dog space and avoid direct eye contact.
Barking and vocalization
Dogs use bark pitch, rhythm, and intensity to communicate different things. Context matters as much as the bark itself.
–High-pitched, repetitive: Excitement or greeting — typically harmless
–Low, rumbling bark: Warning — the dog is uncomfortable with something in the environment
–Whining or whimpering: Anxiety, pain, or attention-seeking — worth distinguishing between the three
Saving Grace tip: Excessive barking is usually a symptom of an unmet need — boredom, anxiety, insufficient exercise, or fear. Treating the cause is more effective than suppressing the behavior.
Digging
Digging is an instinctive behavior — dogs dig to bury food, to cool down in heat, to escape, or simply because they have excess energy with nowhere to go. It's rarely "bad behavior" in the traditional sense.
–Provide adequate mental and physical stimulation — a tired dog digs less
–A designated digging area in the yard redirects the behavior without suppressing the instinct
Leaning and sitting on you
When a dog leans their weight against you, it's a reliable signal of trust and attachment. You're a source of safety and comfort. Some breeds do this more than others, but it's generally a sign of a secure, well-bonded dog.
Cats
Decoding feline communication.
Purring
Purring is commonly associated with contentment, but it's more nuanced than that. Cats also purr when anxious, in pain, or unwell — as a self-soothing mechanism. A purring cat isn't always a happy one.
Saving Grace tip: If your cat is purring but also hiding, not eating, or showing other changes in behavior, the purring may be a stress signal rather than satisfaction. Context matters.
Kneading
The "making biscuits" motion is a holdover from kittenhood, when kittens knead their mother to stimulate milk flow. Adult cats knead when they feel safe and relaxed, to mark territory through scent glands in their paws, or to prepare a comfortable resting spot. It's a reliable sign of a comfortable, secure cat.
Tail language
Upright with a curve
Happy and approachable. A confident, relaxed cat greeting you or another familiar person.
Puffed up
Fearful or threatened. The cat is trying to appear larger. Give them space immediately.
Flicking or swishing
Irritated or overstimulated. Stop petting, back off, and let the cat decompress.
Scratching
Scratching is non-negotiable for cats — it maintains claw health, stretches muscles, marks territory through scent glands in the paws, and relieves stress. The goal isn't to stop the behavior, but to redirect it.
–Provide multiple posts in locations your cat already gravitates toward — not just in a corner
–Offer both vertical and horizontal options — cats have strong preferences for one or the other
Problem behaviors
When behavior becomes a concern.
Some behavioral issues have training solutions. Others have medical ones. The first step is always ruling out an underlying health problem before assuming the issue is behavioral.
Dogs
Separation anxiety
Destructive behavior, excessive barking, or accidents when left alone. Usually requires a combination of behavioral modification and sometimes medication.
Aggression
Often rooted in fear, pain, or lack of early socialization. Aggression in a previously gentle dog is worth a vet visit before anything else — pain is a common and overlooked trigger.
Cats
Litter box avoidance
Always rule out a medical cause first — urinary tract infections, bladder crystals, and kidney issues commonly present this way. Environmental factors come second.
Over-grooming
Hair loss from excessive licking is often stress-related, but can also indicate allergies, parasites, or pain at the site being groomed. Warrants a vet evaluation.
Concerned about a specific behavior?
Saving Grace offers in-home behavior consultations across greater Los Angeles. We assess your pet in their own environment — where behavior problems are easiest to understand — and help you distinguish between a training issue and a medical one.
