No, no! I don't think it needs anything else! It is a very balanced composition - and very intriguing too! The only thing I can think of (that might have made you think it needed something else), if you feel a bit uncomfortable with the overall image, try to cut a bit on the bottom and make the coat part of the creature smaller (shorter so to say); in other words play with the cropping (if you leave everything this way probably you can try to crop either the bottom or the right side a bit or both) - and decide whether it is going to be more satisfying to your eyes or not.
Thank you!!! Yes, I think I could crop it a bit at the bottom...good call. I think I might do something with the female head houses too...they look really large compared to the males...I was going for the illusion of hair, but I'm not sure about it...I'll let it sit for a bit then go back to it. Thanks again.