sheltie average life span
Characteristics and Lifespan. Shelties will typically live 11 to 15 years with proper care. Shelties innately herd so you must be careful your sheltie does not put himself in danger by herding cars or larger animals without supervision. The average sheltie is about 13 to 16 inches tall and weighs 11 to 30 pounds.helties innately herd so you must be careful your sheltie does not put himself in danger by herding cars or larger animals without supervision. The average sheltie is about 13 to 16 inches tall and weighs 11 to 30 pounds.