Fangs. Only the Lycans have fangs. the fangs can be retracted, elongated and sharpened at will. And can be stimulated with a bit of tongue action.
Lycans. The lycans are the badass wolves. They are stronger, faster and can move on their hind legs in wolf form. Lycans are just as strong in their human form as their wolf form.
Imprinting & Marking. Imprinting is when the wolf finds his/her mate, they imprint
involuntarily and they have no control over it. Marking is when the wolf bites
and drinks the blood of their mate in order to show other wolves and vamps
their ownership over that person as well as their commitment if they are bitten in return. If the commitment is broken by either the wolf or the one who is marked then the wolf will go into a the bond between them is broken.
Eyes. Only lycans can change their eye color in human form. The eyes match those of the eyes of their wolf form. Color of the eyes varies on lycan.
Communication. Both werewolves and lycans can speak while in wolf form. They can speak the same language they can in human form.
The Difference between Lycans and Werewolves. Lycans are more Man-like in their wolf form. Werewolves are more wolf-like in their wolf form. Lycans are able to walk on their hind legs and move freely like a human. The regular werewolves can not.
Mental Powers. Lycans have the ability to dilate their eyes and manipulate humans. They are able to control the human and bend their minds to their will. Also after the human has been manipulated they will have no recollection of ever being under the lycan's power. A powerful lycan can manipulate humans, vampires, werewolves and even other lycans.
Wolfsbane. Is a plant that is lethal to werewolves and lycans, it can be laced into drinks, injected and by a simple touch it can hurt a lycan and a wolf and make them weak.