Can I Get Some Help Here

Interesting shot Ralph.
As far as the composition goes I am sure there will be many differing views - here's mine:
Whilst I can understand why you kept the clean white snow in the foreground I do think it has the effect of making your subjects darker and harder to see clearly. Even though the bushes behind the subjects are messy I think I would have included a bit more at the top and a bit less at the bottom of the image (assuming you have it to play with)
I would also experiment with a panoramic crop to see if you can retain your space on the sides whilst getting closer to the subjects.

Ralph, I find it hard to believe that you have not gotten more comments on this post. I think this is an exquisite image that would look exceptional printed and hanging on a wall. As a naturalist first, photographer second this image just gives me goose bumps. Way to go!

I bet this does not happen often, those bison don't seem to be in a big hurry to get out of there !

Actually Ralph I like the grass showing through the snow in the bottom of the photo, that gives a bit of balance to the rest of the composition. I can appreciate the space you have left, and it does tell a story. I am amazed at how huge that wolf is compared to the bison. Great story and well told.

Awesome behavior and inter-action going here between the wolf and bison. The large version is especially nice. I like the open foreground and bits of grass poking through the snow. But, I'm with Martin and wonder how this would look as a panoramic with the animals in the same position in the frame.

A rare experience for humans to see at close range, for sure. Awesome Photo Ralph!!!

That must have been a most interesting sighting Ralph. I actually like the inclusion of the grasses at the bottom too much to even consider a pano crop .

Funny title Ralph, makes light of the age old predator-prey dance. I think I would prefer a little MORE room at the top, but very good composition as is. Agree with Vincent that the grass poking up through the snow at the bottom is a positive. Won't be too long before the ground is covered in the white stuff again...

Great capture of a wild moment, it is almost a let down when the wolf doesn't chase. I think the composition works very well to tell the story. As previously noted, the grasses in the FG providing a good anchor for the image. And as mentioned a bit more on top might be beneficial. The pano idea is also well worth trying.