I always thought Kala never really wagged her tail much. If she's laying down, she sometimes will wag just the tip of her tail. When we come home from someplace, we'll get a full-body wag but that's probably because she always gets a treat. It just doesn't seem like she uses her tail to communicate or express her emotions. My Pyr, on the other hand, we call "helicopter tail" because he'll practically wind himself up with his wags...