A beagle is a small to medium-sized breed of dog that is known for its friendly and outgoing nature. They have a short coat, floppy ears, and expressive eyes, which give them an adorable appearance. Beagles are often characterized by their keen sense of smell and are commonly used as scent hounds in hunting or tracking activities. They are also popular as family pets due to their sociable and gentle temperament. Overall, beagles are lovable companions who bring joy and happiness to those around them.