-On the face, try to remember perspective and the ears are closer together.
-Make the body of your wolf a bit longer, they have lean bodies and large ribcages. Wolf legs are very strong but long and skinny.( drawing leg joints and comparing them to human arms and legs helps me)
-The back curves every-so-slightly up from the neck and curves a tiiiny bit down once it reaches the haunches. The tail is a continuation of the spine, so it doesn't stick up like that.
That's all that I see. I hoped I managed to help a little.
