Pet breeds refer to the specific varieties of domesticated animals, particularly dogs and cats, that have been selectively bred for certain traits. Each breed has unique characteristics, such as size, coat type, and temperament, which can influence their suitability as pets. For example, Golden Retrievers are known for their friendly nature, while Siamese cats are recognized for their vocal personalities. Understanding pet breeds is important for potential pet owners, as it helps them choose an animal that fits their lifestyle. Some breeds require more exercise and grooming than others, making it essential to consider factors like activity level and maintenance needs when selecting a pet.