I love it! Cats really are able to communicate with their tails! After reading your post I thought of something I witnessed yesterday: My cat Saima whacked herself on the face with her own tail! I forget exactly how that happened, maybe I surprised her or something and she turned really quickly. Anyway, I was thinking that my cat does the same thing yours does, and now she got a taste of her own medicine! I also know what you mean about the different "meows". I'm sure you know about this scenario, too:

Cat: "Meow!"
Human: "Meow!" ('meows' back)
C: "Meow!"
H: "Meow!"
C: "Meow!"
H: "Meow!"
...this goes on back and forth for a while...



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~Margaret