Elk, male (Yellowstone NP)
Elk Fawn Pair (Yellowstone NP)
Bison, mother-calf pair (Yellowstone NP)
Bison Herd (Yellowstone NP)
Prairie Dog Pair (Badlands NP)
Prairie Dog Pair (Badlands NP) #2
Prairie Dog Pair (Badlands NP) #3
Prairie Dog (Badlands NP)
Gartersnake
Gartersnake #2