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18 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Thomomys bottae Geomyidae Rodentia |
Botta's pocket gopher
Orange belly & no tail tuft Skull: IO canal pierces rostrum laterally; nasals do not extend beyond upper incisors |
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Geomys bursarius Geomyidae Rodentia |
plains pocket gopher
Massive foreclaws Skull: IO canal pierces rostrum laterally; nasals do not extend beyond upper incisors |
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Thomomys talpoides Geomyidae Rodentia |
northern pocket gopher
White tail tuft and grey belly Skull: IO canal pierces rostrum laterally; nasals do not extend beyond upper incisors |
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Myocastor coypus Echimyidae Rodentia |
coypu
Webbed digits; long, coarse guard hairs; short limbs Skull: Massive IO canal; long paroccipital processes; cheekteeth converge anteriorly |
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Erethizon dorsatum Erethizontidae Rodentia |
North American porcupine Spiny! Skull: Large egg-shaped IO canal larger than foramen magnum; shorter paroccipital process than Echimyidae |
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Aplodontia rufa Aplodontiidae Rodentia |
sewellel Thick body, vestigial tail and tiny ears Skull: Flattened and wide; cheekteeth possess long labial projection |
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Castor canadensis Castoridae Rodentia |
American beaver
Long, broad, flat tail Skull: massive zygomatic plate; small slit-like IO canal; cheekteeth v. flat |
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Perognathus parvus Heteromyidae Rodentia |
Great Basin pocket mouse
Grey, grizzled pelage w/o tail tuft Skull: Large IO canal pierces rostrum laterally; nasals extend beyond upper incisors |
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Dipodomys ordii Heteromyidae Rodentia |
Ord's kangaroo rat
Tufted tail is extensively furred Skull: Large IO canal pierces rostrum laterally; nasals extend beyond upper incisors |
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Napaeozapus insignis Zapodidae Rodentia |
woodland jumping mouse
White tufted, sparsely furred tail Skull: Pear-shaped IO canal; nasals extend anteriorly in front of upper incisors |
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Zapus hudsonicus Zapodidae Rodentia |
meadow jumping mouse No tuft on sparsely furred tail Skull: Pear-shaped IO canal; nasals extend anteriorly in front of upper incisors |
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Ochotona princeps Ochotonidae Lagomorpha |
American pika Short, rounded ears |
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Brachylagus idahoensis Leporidae Lagomorpha |
Pygmy rabbit Tiny boi |
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Sylvilagus nuttallii Leporidae Lagomorpha |
mountain cottontail Greyer than S. floridanus |
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Sylvilagus floridanus Leporidae Lagomorpha |
eastern cottontail Grizzled back w/ oranger fur than S. nuttallii |
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Lepus americanus Leporidae Lagomorpha |
snowshoe hare
Massive, heavily furred hind feet |
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Lepus alleni Leporidae Lagomorpha |
antelope jackrabbit Long ears tipped w/ white fur |
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Lepus californicus Leporidae Lagomorpha |
black-tailed jackrabbit Black dorsal fur on tail and black tipped ears |
