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19 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Myomorpha - Cricetidae
Peromyscus maniculatus - American deer mouse Smaller/non-visible white patch beneath chin, compared to white-footed mouse which is more visible |
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Myomorpha - Cricetidae
Peromyscus leucopus - white-footed mouse More visible white patch beneath chin, compared to American deer mouse which is less visible |
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Myomorpha - Cricetidae
Synaptomys cooperi - southern bog lemming Short tail. Fluctuations of population Shallow longitudinal groove on front lateral surface of upper incisor |
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Myomorpha - Cricetidae
Ondatra zibethicus - common muskrat Large (1.5 feet), aquatic looking tail, partially webbed feet |
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Myomorphia - Muridae
Mus musculus - house mouse Old World, less pronounced underside. Notched upper incisor. |
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Myomorphia - Muridae
Rattus norvegicus - Norway rat Old world. Tip of upper incisor not notched. |
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Myomorphia - Cricetidae
Microtus pinetorum - woodland vole Tail same length as feet |
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Myomorphia - Cricetidae
Microtus pennsylvanicus - meadow vole Tail LONGER than feet (unlike woodland vole), but still very short. Three re-entrant angles on either side of posterior upper cheek tooth |
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Myomorphia - Cricetidae
Myodes gapperi - southern red-backed vole 'Shelf-like palate,' not supported at midline |
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Hysterinomorphous - Dipodidae
Napaeozapus insignis - woodland jumping mouse Redder than meadow jumping mouse 3 cheek teeth (compared to 4 of meadow) |
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Hystrinomorphous - Dipodidae
Zapus hudsonius - meadow jumping mouse Brown/grey (compared to red of woodland) 4 cheek teeth (compared to 3 of woodland) |
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Sciuromorpous - Sciuridae
Sciurus carolinensis - eastern grey squirrel Auditory bullae with TWO partitions (may or may not be visible). Not 3. |
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Sciuromorphous - Sciuridae
Tamiasciurus hudsonicus - red squirrel 3 divisions of auditory bullae, visible externally |
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Sciuromorphous - Sciuridae
Tamias striatus - eastern chipmunk Stripes don't extend to the tail (compared to Northern least chipmunk, which we don't have to know) |
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Sciuromorphous - Sciuridae
Marmota monax - groundhog Largest of the family. Top of skull is flat. |
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Sciuromorphous - Sciuridae
Glaucomys volans - southern flying squirrel Smaller and skinnier than northern, but both have white underside (northern is supposedly slightly coloured at base, but hard to tell). Both larger than mice. |
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Sciuromorphous - sciuridae
Glaucomys sabrinus - northern flying squirrel Larger and fatter than southern, same white underside but with a little bit of dark near the bum (but barely visible). Extra gliding skin not as visible as southern. Fly with magic, hence sabrinus |
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Sciuromorphous - Castoridae
Castor canadensis - beaver Ear opening has upward curving tube |
Castor canadensis
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Hystrinomorphous - Erethizontidae
Erethison dorsatum - porcupine Infraorbital foramen as large or larger than foramen magnum |
Erethison dorsatum
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