Dogs are not naturally scared of cats, but some dogs may exhibit fear or wariness of cats due to a combination of instincts, early negative experiences, and the miscommunication that arises from their different body languages. Cats often display defensive behaviors such as direct staring, quick unpredictable movements, sharp claws, and defensive postures that can intimidate dogs. Additionally, if a dog had a negative encounter with a cat in its early socialization period, it may develop a lasting fear or anxiety toward cats. Dogs and cats communicate differently—for instance, a cat's twitching tail signals aggression, unlike a dog's wagging tail indicating friendliness—which can confuse dogs and contribute to fearful or cautious behavior. Some dogs, especially those with timid or sensitive personalities, may find confident or territorial cats intimidating. Helping a dog overcome fear of cats usually involves gradual, supervised introductions and positive reinforcement to build calm and positive associations with cats. In summary, dogs may be scared of cats due to instinctual caution, learned negative experiences, and misinterpretation of feline body language, not an inherent or natural fear of cats.