Plains dwellers are familiar with the view of pronghorn antelope streaking across sagebrush flats and low grassy hills—camouflaged blurs racing on rawboned limbs at speeds upwards of 60 mph.
Yet there’s another view of this marvelous critter: fording swift rivers and scrambling up dusty mountain trails. That’s the view of some rare souls who have tracked a pronghorn migration between Grand Teton Park and the Green River Basin.