5. Welsh Terrier – 85.9%
Welsh Terriers are small but full of character, boasting a distinctive wiry coat and an alert expression. Their rectangular head, bright eyes, and well-set ears give them a balanced and symmetrical look that aligns closely with the golden ratio. Originally bred for hunting foxes and badgers, these terriers are brave, independent, and full of energy. Despite their strong-willed nature, they are affectionate and love to engage in play with their families. Their unique facial features and charming expressions make them one of the most scientifically beautiful breeds. Whether exploring the outdoors or relaxing at home, a Welsh Terrier always carries an air of confidence and appeal.