Not everything you’ve heard about dogs is true.
Yep, even the seasoned dog parents—those with treat bags in every pocket and fur on every outfit—still fall for some of the oldest, weirdest myths in the canine world.
From tail wags to mouth licks to the “one human year equals seven dog years” thing… there’s a lot of junk info floating around. And believing the wrong stuff? It can mess with how you care for your pup.
So let’s bust the fluff.
These are 13 dog myths that just won’t die—no matter how many chew toys we throw at them. Get ready to unlearn some things.
Myth 1: Dogs See in Black and White

Contrary to popular belief, dogs do not see the world in black and white. While their color vision is limited compared to humans, they can see shades of blue and yellow.
Their eyes lack the red-green cones that humans have, which means they struggle with red and green hues. Yet, their vision is well adapted for low-light conditions and movement detection.
So, next time you play fetch, consider using a blue or yellow ball. Your dog might just appreciate it! Understanding their vision helps us create a more engaging environment for our canine companions.
Myth 2: A Wagging Tail Means a Happy Dog

A wagging tail is not always a sign of happiness. Dogs use their tails as a form of communication, expressing a range of emotions. The speed, direction, and position of the tail can indicate excitement, fear, or aggression.
For instance, a tail held high and moving slowly might signal alertness or hostility. Meanwhile, a low tail wagging rapidly could mean submission or anxiety. Observing other body language cues is essential.
By understanding these subtle signals, owners can better interpret their dog’s emotional state and respond appropriately.
Myth 3: Dogs Eat Grass When They’re Sick

The belief that dogs eat grass only when they feel unwell is a common misconception. Some dogs simply enjoy the taste or texture of grass, while others might do it out of boredom.
Eating grass occasionally is normal behavior for many dogs and doesn’t always indicate illness. However, if a dog frequently consumes large amounts of grass and shows signs of vomiting or lethargy, consulting a veterinarian is wise.
By observing their behavior, owners can discern whether it’s a harmless habit or something more concerning.
Myth 4: Dogs’ Mouths Are Cleaner Than Humans’

The idea that dogs have cleaner mouths than humans is a myth. Both human and canine mouths harbor numerous bacteria, but they are different kinds. While some bacteria in a dog’s mouth can be harmful to humans, most are not.
Regular dental care, like brushing your dog’s teeth, is essential for preventing tartar build-up and oral diseases. Maintaining your dog’s oral hygiene not only ensures fresher breath but also contributes to overall health.
It’s important to recognize that, like humans, a dog’s mouth requires attention to stay clean and healthy.
Myth 5: Dogs Age Seven Years for Every Human Year

The “one dog year equals seven human years” rule is an oversimplification. Dogs mature faster in their early years and age patterns vary by breed and size. Smaller breeds often live longer than larger ones, affecting the dog-to-human age calculation.
For example, a one-year-old dog is more like a teenager rather than a seven-year-old child. Understanding a dog’s true age relative to humans involves considering their breed and size, helping owners provide appropriate care at different life stages.
This knowledge ensures your canine friend enjoys a comfortable and healthy life.
Myth 6: Dogs Can’t Feel Guilt

Dogs might look guilty with their lowered heads and sad eyes, but guilt is a complex emotion requiring self-awareness. What owners often interpret as guilt is actually a submissive response to their tone and body language.
Dogs react to cues from their human companions and try to appease them. This behavior is more about reading the situation than feeling guilty. Understanding this helps owners communicate more effectively with their pets, fostering a stronger bond.
It’s all about decoding those adorable expressions and realizing what they truly mean.
Myth 7: Dogs Only Understand Simple Commands

Many believe dogs can only comprehend basic commands, but they are capable of understanding much more. With consistent training, dogs can learn complex sequences and even recognize words.
Their ability to follow complex instructions is a testament to their intelligence and adaptability. Training sessions using positive reinforcement can enhance their understanding.
So, don’t underestimate your dog’s cognitive abilities. Engaging them with challenging tasks not only enriches their minds but also strengthens your relationship with them. Dogs thrive on learning and enjoy the mental stimulation it provides.
Myth 8: Dogs Lick to Heal Their Wounds

The notion that dogs’ saliva has healing properties is misleading. While licking can clean a wound, it can also introduce bacteria and cause infections. Excessive licking might lead to irritation or delayed healing.
Therefore, monitoring your dog’s wound care and intervening when necessary is crucial. Applying veterinarian-recommended treatments or using protective coverings can prevent complications.
It’s essential to understand that while dogs’ instincts drive them to lick wounds, it doesn’t replace proper medical treatment. Prioritizing safe healing practices ensures your pet recovers swiftly and safely.
Myth 9: Dogs and Cats Are Natural Enemies

The stereotype of dogs and cats as arch-enemies is outdated. Many dogs and cats coexist peacefully and even develop close bonds. Successful interspecies relationships depend on individual temperaments and proper introductions.
By gradually acclimating pets to each other and supervising their interactions, owners can foster harmony. Mutual respect and a safe environment allow these animals to thrive together.
It’s heartwarming to witness friendships blossoming between them, proving that love and companionship know no species boundaries. Dogs and cats can be the best of friends with a little patience and guidance.
Myth 10: Dogs Don’t Need Sunscreen

Many assume dogs are immune to sunburn and skin damage, but they are susceptible, especially breeds with short hair, light-colored coats, or exposed noses.
Applying dog-specific sunscreen on vulnerable areas like the nose and ears is essential, particularly during sunny outings. Just like humans, dogs can suffer from UV-related issues, including skin cancer.
Protecting them with appropriate sun safety measures ensures their health and comfort. Being proactive about sun protection allows your furry friend to enjoy outdoor adventures without discomfort or risk, making sunny days safe and fun.
Myth 11: Dogs Don’t Like Hugs

Some believe dogs dislike being hugged, but reactions vary. While some dogs feel restrained and uncomfortable, others genuinely enjoy the affection. Reading your dog’s body language is key.
Signs like relaxed muscles or a wagging tail indicate contentment, while tense posture or avoidance suggests discomfort. Learning your dog’s preferences helps you show affection in ways they appreciate.
Whether through gentle hugs or playful interactions, finding the right balance strengthens your bond. By tuning into their cues, you ensure that your affectionate gestures are welcomed and enjoyed.
Myth 12: Dogs Are Completely Domesticated

Though dogs have been companions for thousands of years, they retain some wild instincts. Behaviors such as chasing prey or digging are remnants of their ancestry. Understanding these instincts helps owners provide appropriate outlets and environments.
Activities like fetch or agility training cater to their natural drives. Recognizing that dogs aren’t entirely domesticated enhances how we interact with them. It encourages a lifestyle that respects their heritage and nurtures their well-being.
Balancing their need for adventure with structured living creates happy and fulfilled companions.
Myth 13: Dogs Bite Out of Nowhere

Dogs rarely bite without warning. They often give subtle cues through body language before resorting to biting. Factors like fear, pain, or anxiety can trigger such behavior. Recognizing signs like growling, lip curling, or a stiff body posture helps prevent incidents.
Education on canine communication allows owners to address the root cause and manage situations better. By fostering understanding and respect, we can reduce risks and promote safer interactions.
Awareness of these signals ensures a harmonious relationship, where both humans and dogs feel secure and understood.