This Dog has already been adopted! Keep looking for your perfect match on our available Dogs page. Lassie's Lilly Female (Altered) — Date of Birth: 01/27/2015 (9 years old (Adult)) Great Pyrenees Mix Lassie gave birth to 8 healthy babies on 1/27/15. The pups are now ready for adoption. Here is Lilly at 8 weeks. Available Dogs