Having hairy palms is considered a sure sign of being a werewolf. Real werewolves often shave their palms leaving them rough. Rough palms are also considered to be a sign.
Having a left thumbnail that is left uncut as to resemble a claw.
Tattoos , particularly that of a crescent moon.
In human form, a werewolf usually has slanted eyebrows that meet at the bridge of the nose.
A werewolf has an unusually long third finger on each hand.
Werewolves always have to sleep with their jaws open . Once their jaws are closed, it difficult to unclench them.
The werewolf might have a human face and a wolf's body or vice-versa.
A werewolf is physically exhausted after his transformation and requires much rest.
A werewolf in human form exhibits the wounds acquired from his lunar activities