  - Hoofed Animals 1
- Bighorn (mountain sheep) 2
- Pronghorn (antelope) 4
- Bison (buffalo) 8
- Mule deer 10
- White-tailed deer 13
- Elk 16
- Rodents (Including Lagomorphs) 21
- Snowshoe hare 22
- White-tailed jackrabbit 24
- Mountain cottontail 26
- Pika 28
- Tassel-eared squirrel (Abert’s squirrel) 31
- Kaibab squirrel 34
- Arizona gray squirrel 36
- Spruce squirrel, Pine squirrel (Douglas squirrel, chickaree) 39
- Northern flying squirrel 42
- Western chipmunks 44
- Golden-mantled ground squirrel 48
- White-tailed prairie dog 51
- Yellow-bellied marmot (woodchuck) 53
- Deermouse (white-footed mouse) 57
- Mountain vole 58
- Western jumping mouse 59
- Bushy-tailed woodrat (pack rat) 60
- Muskrat 64
- Beaver 67
- Porcupine 72
- Northern pocket gopher 75
- Carnivores (Including the Insectivores and Chiropterans) 79
- Mountain lion 80
- Bobcat 85
- Red fox 87
- Gray wolf 89
- Coyote 92
- Wolverine 95
- Marten 97
- River otter 101
- Mink 103
- Short-tailed weasel (ermine) 105
- Spotted skunk 108
- Striped skunk 110
- Black bear 112
- Grizzly bear 117
- Vagrant shrew 119
- Bats 121
- References 123
- Index 125
Life Zones ELEVATION | | PRECIPITATION | FEET | DRY | MOIST | WET | 14,000 | ARCTIC-ALPINE ZONE[1] | | above timber-line; small, mat-like plants. | 13,000 | | | pika | 12,000 | | | mountain sheep | 11,000 | HUDSONIAN ZONE | spruce | red squirrel | 10,000 | | fir | marten | 9,000 | CANADIAN ZONE | quaking aspen | beaver | | | Douglas fir, mule deer | 8,000 | TRANSITION ZONE | tassel-eared squirrel | 7,000 | | ponderosa pine, mountain lion | | | 6,000 | UPPER SONORAN ZONE[2] | | pinyon pine | deer mouse | 5,000 | juniper | bobcat | | sagebrush | pronghorn | 4,000 | LOWER SONORAN ZONE[3] | 3,000 | mesquite, kangaroo rat | 2,000 | giant cactus | 1,000 | kit fox | | HOT | WARM | COLD | | | TEMPERATURE |
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