Shrew Family Order Rodentia (Soricoidae)

masked shrew vagrant shrew water shrew Sorex cinereus Sorex vagrans Sorex palustris grassland streambank streambank Mouse, Vole, Rats, and Muskrat (Cricetidae) meadow vole long-tailed vole heather vole Microtus pennsylvanicu Microtus longicaudus Phenacomys intermedius grassland streambank streambank/grassland/mountain

Gapper’s red-backed vole deer mouse Western harvest mouse Clethrionomys gapperi Peromycus maniculatus Reithrodontomys megalotis mountain mountain/streambank grassland bushy-tailed woodrat Neotoma cinerea mountain

rock mouse Northern grasshopper mouse Peromyscus difficilis Onychomys leucogaster mountain grassland Jumping Mouse Kangaroo Rat and Family Pocket Mouse silky pocket mouse (Zapodidae) (Heteromyidae) Perognathus flavus desert

Western jumping mouse Ord’s kangaroo rat Apache pocket mouse Zapus princeps Dipodomys ordii Perognathus apache streambank desert mountain 1:1

0 1 2 3 4 5 6 inches

1 - Rodents Tracks are actual size. Pocket Gopher Porcupine Family Order Rodentia Family (Erethizonidae) (Geomyidae) Beaver Family (Castoridae)

porcupine Erethizon dorsatum mountains/grasslands scale 1:3 beaver Castor canadensis streams/lakes/wetlands Northern pocket gopher scale 1:3 Thomomys talpoides grasslands scale 1:1 1:3 0 1 2 3 4 5 6 inches Squirrel Family (Sciuridae)

least chipmunk Colorado chipmunk chicaree Eutamias minimus Eutamias quadrivittatus Tamiasciurus douglassi mountain/grassland mountain forest

Abert’s squirrel Sciurus aberti kaibabensis mountain/forest

rock ground squirrel golden-mantled ground Spermophilus variegatus squirrel mountain Spermophilus lateralis streambank

yellow-bellied marmot Gunnison’s prairie dog thirteen-lined ground squirrel Marmota flaviventris Cynomys gunnisoni Spermophilus tridecemlineatus mountain/rockslide grassland grassland

1:1

0 1 2 3 4 5 6 inches

2 - Rodents Rodentia tracks vary in size. Sciuridae tracks are actual size. Rabbit Family Order Lagomorpha (Leporidae)

white-tailed jackrabbit Lepus townsendii grassland/desert scale 1:2

Rabbit cadence

Pika Family (Ochotonidae) snowshoe hare Lepus amricanus mountain pika scale 1:2 Ochotono princeps mountain/rock slope desert cottontail scale 1:2 Sylvilagus audubonii grassland/desert 1:2 scale 1:2 0 1 2 3 4 5 6 inches Weasel Family Order Carnivora (Mustelidae)

ermine long-tailed weasel Mustela erminea Mustela frenata mountain mountain/streambank striped skunk Mephitis mephitis mountain

badger spotted skunk marten Taxidae taxus Spirogale putorius Martes americana mountain/grassland mountain mountain

1:1

0 1 2 3 4 5 6 inches

4 - Lagomorphs and Carnivores Leporidae tracks are one-half actual size. Mustelidae tracks are actual size. Dog Family Order Carnivora (Canidae)

coyote red fox gray fox Canis latrans vulpes vulpes Urocyon cinereoargenteus grassland/mountain mountain mountain scale 1:2 scale 1:2 scale 1:2

Bear Family (Ursidae)

black bear Ursus americanus mountain scale 1:2

Cat Family (Felidae)

Mountain Lion Felis concolor mountain/grassland bobcat scale 1:2 Lynx rufus mountain scale 1:2

1:2 0 1 2 3 4 5 6 inches

4 - Carnivores Tracks are one-half actual size. Deer Family Order Artiodactyla (Cervidae)

mule deer Odocoileus hemionus grassland/mountain

Rocky Mountain elk Cervus canadensis Sheep, Bison Family grassland/mountain (Bovidae) American Antelope Family (Antilocapridae)

bighorn sheep pronghorn antelope Ovis canadensis Antilocapra americana mountain grassland

0 1 2 3 4 5 6 inches

5 - Ungulates Tracks are actual size.