Pugs, and many small companion breeds have tightly curled tails. Larger breeds such as the Alaskan Malamute, Akita, Finnish Spitz, Icelandic Sheepdog, Keeshond have curled tails that rest on their backs.
Yes, some dogs do have the appearance of stripes on their coats; these dogs are referred to as "brindle" colored. In some breeds this is an acceptable coat color per the breed standard while in others it is not acceptable.
ring tailed lemur.. ;P
None
it depends on the breed.
Zebra striped tail lizard
Pug.
The marine coon is a breed of cat named so because it has a striped tail that looks a lot like a racoon's.
A dogs tail bone can definitely be broken. once when my dog was a puppy i slammed the dog and his tail got caught, the vet confirmed its fairly easy for a dog to brake its tail, so be careful!
Boxer
no
Matt Mackenzie
pekingese
Like the spectacular tail of the peacock, the conspicuously striped tail of a lemur is probably intended as a form of sexual display, that helps to attract mates.
A Prairie Dog's tail is normally between 2"-2.5". Depending on the breed it can be black, white, or tan. The fur on the tail is raised and gets "frizzy" when the Prairie Dog either feels threatened or wants to be intimidating. - Leahla1979
It not only isn't illegal, a docked tail is one of the breed characteristics. A Rottie with an UNdocked tail would not be show-quality or eligible for competitions in which breed standards must be met. Docking ANY dog's tail should only be done by a fully trained and qualified professional.