Although 16.5 inches (42 cm) is the preferred height for male dogs, a range from 16 to 17.5 inches (41 to 44 cm) is allowed; for females, the preferred height is 15.5 inches (39 cm) and the acceptable range is from 15 to 16.5 inches (38 to 42 cm). Both genders must weigh between 17 and 23 pounds (7.7 and 10.4 kg). They possess a light, springy gait. Bedlingtons are quite fond of fighting, and are prone to jealousy when around other dogs. One man stated that 'this dog was about fit to kill any other dog of his weight' and compared him to the fighting dogs used in dog fighting. They have also been used in dog fighting.