The length of a wolf's tail is highly variable and depends on several factors:
Different wolf subspecies have different tail lengths. For example, the Eastern Wolf has a relatively short tail compared to the Alaskan Wolf, which has a longer tail. Even within the same subspecies, individual wolves can have different tail lengths. Younger wolves tend to have shorter tails that grow longer as they mature. A wolf's overall health can also affect its tail.
General range:
A wolf's tail can be anywhere from 12 to 20 inches long. Some wolves have tails around 10 inches long, while others can have tails over 20 inches long.
It is important to note that a wolf's tail length is not a reliable indicator of its age, sex, or subspecies.