Personally I am not a great fan of animals on a ridge with plain bg's....certainly when there is light to bring a little atmosphere. I think that is what you missed here. With some more light (sidelighting would be best here IMO) this would have been much stronger as it would have brought more depth in your photograph.
Hey Steve,
I always make my assesment B4 reading the other comments..........while the overcast is not the perfect scenario.........it does make the fur colors really jump out! If you flash the eye on these guys.......especially in this light........alien green glow.......agree with Alfred that you could use a bit of room on the bottom (funny comment from Mr. tight crop).......but my alternative suggestion is to take a biit off the top (about 1/3) and proportionally on the right. Much more emphasis on the pronghorn then.