Also this game would emphasize not on your average wolves, but a pack of wolves that has evolved to be smarter, and better adapted to survive against thier greatest threat (that would be us humans).
there will be a stat system. Prehaps a skill tree to decide which strategeis suite you best. Intelligence/ Charisma for better use of your environment, the ability to flip switches, disarm traps, and disarm humans, pull the pin off a grenade etc; increased ability to orchestrate an attack using your pack, better control over your pack, less battles for dominance once you have attained Alpha-status.
Strength/Constitution/Dexterity would all have the usual effects on your attack power/ biting strength, stamina and health/suseptiblity to pioson/gas/tranquilizers, dexterity may allow you to bite specific areas of the body on cue (ie. bite for unarmored or weak points on armored targets) and increase running speed and stealth abilities.
Perks may be handy also, similar to FO3, maybe a coat of fur wich acts as variable camo, prehaps you carry a virus which only affects humans and is transmitted with your bite (rabbies on crack) it could paralyze or impede your enemy in some way.