Mammals
Opossums (Didelphidae)
Two-toed Sloths (Megalonychidae)
Rabbits and Hares (Leporidae)
Squirrels, Marmots, and Prairie Dogs (Sciuridae)
- Hoary Marmot
- Columbian Ground-Squirrel #1
- Columbian Ground-Squirrel #2
- Columbian Ground-Squirrel #3
- Uinta Ground-Squirrel
- Richardson's Ground-Squirrel #1
- Richardson's Ground-Squirrel #2
- Golden-mantled Ground-Squirrel #1
- Golden-mantled Ground-Squirrel #2a
- Golden-mantled Ground-Squirrel #2b
- Black-tailed Prairie Dog
- Red Squirrel
Cavies, Guinea Pigs, and Capybara (Caviidae)
Howler, Spider, and Woolly Monkeys (Atelidae)
Wolves, Foxes (Canidae)
Bears (Ursidae)
Weasels and Otters (Mustelidae)
Racoons (Procyonidae)
Cattle, Buffalo, Goats, Sheep (Bovidae)
- Custer Buffalo Herd
- Buffalo Herd
- Buffalo in Traffic
- Hayden Buffalo
- Buffalo and Cowbird
- Buffalo at Overlook
- Buffalo Calf
- Buffalo Dust Bath
- Buffalo near Mud Volcano
- Buffalo near Boardwalk
- American Buffalo
- Buffalo and Tetons
- Mountain Goat
- Mountain Goats
- Bighorn Sheep #1
- Bighorn Sheep #1 Detail
- Bighorn Sheep #2a
- Bighorn Sheep #2b
- Washburn Bighorns
- Fire Tower & Bighorns
Deer and Moose (Cervidae)
- Elk #1
- Elk #2
- Elk #3
- Elk Viewing
- Elk (many)
- Bull Elk at Biscuit Basin
- Bathing Moose
- Bull Moose
- Moose with Calf
- Mule Deer #1
- Mule Deer #2