Their boundless energy and high intelligence make them fun, interesting pets. (1/14) by Judy Powell August 21, 2020, 6:47 am Credit Judy Powell 0 Previous 1/14 Next View full list See more Previous article And they’re highly intelligent. Next article They are about 18 to 23 inches in height, and weigh from about 40 to 60 pounds (18 to 27 kilograms). Males generally are taller and heavier than females. Aussies live about 10 to 12 years. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.