- About Mammal Types:
The species in the Online Field Guide are divided into type categories based on shared characteristics or relationships. A silhouette illustration shows a representative species from each type. The list below tells which species are included in each type category.
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- Opossum
- opossums
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- Shrews and Moles
- shrews
moles
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- Bats
- leaf-chinned bats
New World fruit bats
evening bats
myotises
big-eared bats
free-tailed bats
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- Rabbits and Hares
- rabbits
cottontails
hares
jackrabbits
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- Chipmunks, Squirrels, and Prairie Dogs
- chipmunks
antelope squirrels
ground squirrels
tree squirrels
flying squirrels
prairie dogs
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- Mice and Rats
- kangaroo rats
pocket mice
harvest mice
deer mice
jumping mice
grasshopper mice
woodrats
rice rats
cotton rats
Old World rats
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- Voles, Lemmings, Pikas, and Pocket Gophers
- voles
lemmings
pikas
pocket gophers
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- Large Rodents
- muskrats
nutrias
beavers
marmots
woodchucks
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- Armored Mammals
- porcupines
armadillos
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- Raccoons and Their Kin
- raccoons
ringtails
coatis
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- Weasels, Skunks, and Their Kin
- weasels
martens
fishers
skunks
wolverines
badgers
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- Otters
- river otters
sea otters
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- Cats
- mountain lions
lynx
bobcats
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- Wolves, Foxes, and Coyote
- wolves
coyotes
foxes
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- Bears
- bears
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- Hoofed Mammals
- feral pigs
peccaries
feral horses
deer
caribou
moose
elk
pronghorns
mountain goats
bighorn sheep
bison
muskox
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- Marine Mammals
- whales
dolphins
porpoises
eared seals
walruses
hair seals
manatees
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Abbreviations Used in this Online Field Guide
L = length (includes tail), Ht or H = height, T = tail, HF = hindfoot, Wt = weight, E = ear, FA = forearm
In range descriptions, n = north, s = south, e = east, w = west, and c = central.
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