Yes, it depends on it's mood, When my shih tzu is happy or alert, his tail curls up and wags, if he is bored or sleepy, his tail will be straight.....
Willy, my beloved shih tzu (22 March 1994- 8 August 2005) May you rest and live happily in Rainbow Bridge with the rest. You will forever be deeply missed by all.
Puppies and kittens, helpless and innocent are always roaming the streets as strays. Adopt from animal shelthers to save them. THEY NEED YOUR HELP AND LOVE