I might also agree that the third is (slightly) the best of the group.
More importantly for me, your excellent images have confirmed something that has been driving me batty about my recent pronghorn images from Yellowstone and Grand Teton..........the giant, featureless, gloss black eyes. No highlights, no reflections, no nothing....just blackness.
Very nice!!! #3 is my favorite here. I remember seeing Pronghorns in the GTNP/YSNP area many years ago, and when I got about 200 yds from them they took off like the wind Nice shottin'.
Glenn you are doing some super with these guys, I'm really enjoying your posts. They are on of my favorites, I just wish I had the chance to photograph them more often.