Tibetan mastiffs are slow maturing breed and giant like animal. They have long life span around 14 years and they take time to get matured (9/15) by Judy Powell September 19, 2020, 5:40 am Judy Powell 0 Previous 9/15 Next View full list See more Previous article Two Tibetan mastiffs together can take down a lion. Next article Tibetan mastiffs have a special affinity for chasing, catching and killing birds. Birds in you neighbor may bot like you if you have a Tibetan mastiff at your home. Leave a Reply Cancel replyYour email address will not be published.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.