N. American mammals

58 terms by Yvanovich 

Create a new folder

Advertisement Upgrade to remove ads

north american species

(subfamily), species, common name

all in lower case

didelphidae, didelphis virginiana, virginia opposum

5 upper incisors and 4 lower incisors, feigns death

talpidae, neurotrichus gibbsii, shrew mode

skull < 3cm, 8 or 9 teeth per side in lower jaw
uses tail in locomotion, humid forests of the Northwest

talpidae, scapanus sp, pacific mole

skull > 3cm, 11 teeth per side in lower jaw
fossorial, two-way fur

soricidae, sorex sp, shrew

no zygomatic arch, no auditory bulla, very high motabolism

molossidae, tadarida brasiliensis, brazilian free-tailed bat

palate extending at level of molars, free tail
colonial roster, high wing ratio

vespertilionidae, lasiurus sp, hoary/red bat

palate beyond molars, 1 upper incisor, 5 upper cheekteeth, solitary, conifer roster, migratory

vespertilionidae, eptesicus fuscus, big brown bat

palate beyond molars, 2 upper incisors, 4 upper cheekteeth, high cold tolerant

vespertilionidae, lasionycteris noctivagans, silver-haired bat

palate beyond molars, 2 upper incisors, 5 upper cheekteeth
solitary, low wing ratio

vespertilionidae, myotis sp, little brown bat

palate beyond molars, 2 upper incisors, 6 upper cheekteeth, throughout North America

marmota flaviventris, yellow-bellied marmot

sciuridae, skull > 7.5cm with depression, prominent temporal ridges, prefers moist soils and restricted to northwest coast

glaucomys sabrinus, northern flying squirrel

sciuridae, small, infraorbital V-shaped at ventral view, pterygoids touch bulla, likes fungi, mature confers and nocturnal glider

tamiasciurus douglasii, douglas squirrel

sciuridae, skull inflated, 4 upper cheekteeth, 3 visible septa, conifer woodland, wide color variation

sciurus griseus, western gray squirrel

sciuridae, skull inflated > 6.3cm, 5 upper cheekteeth, 2 visible septa, prefers conifers and mixed woodlands

tamias sp, chipmunk

sciuridae, infraorbital canal oval/rounded in wide/twisted zygomatic arch, terrestrial/semiarboreal

spermophilus beecheyi, beechey ground squirrel

sciuridae, upper, temporal ridges forming V, herbivore, fungi, birds & insects. wide range habitat

spermophilus lateralis, golden-mantled ground squirrel

sciuridae, temporal ridges faint/prominent forming a U, common in campground and hard to keep out of traps

geomyidae, thomomys bottae, bottas pocket gopher

infraorbital against rostrum, ring-shaped molars, prefer friable soil, herbivore, pack food in pouched

heteromyidae, perognathus sp, pocket mice

infraorbital against sides and perforating rostrum, inflated bulla
herbi/granivore, moist&dry habitat, prefer sandy rocky soils, nocturnal

heteromyidae, dipomys sp, kangaroo rat

infraorbital against sides and perforating rostrum, inflated bulla
herbi/granivore, moist&dry habitat, prefer sandy rocky soils, nocturnal

dipodidae, zapus trinotatus, jumping mouse

only small skull with very large infraorbital canal
herbivore, prefer wet meadows, hibernates

murinae, rattus rattus, black rat

muridae, skull > 2.5cm, three rows of cusps, temporal ridges around rounded skull, commensal with man

murinae, ratus norvegicus, norway rat

muridae, skull > 4cm, three rows of cusps, temporal ridges prominent somewhat parallel each other, commensal with man

murinae, mus musculus, house mouse

muridae, skull< 2.5cm, three rows of cusps, first upper molar equal/longer than second and third premolar combined, commensal with man

sigmodontinae, neotoma fuscipes, dusky-footed woodrat

muridae, skull> 4.5cm, prismatic teeth, zygo. notch, incisive foramina slightly longer than length of palate, build huge nests of sticks and pass them to future generations

sigmodontinae, reithrodontomy megalotis, western harvest mouse

muridae, skull< 2.5cm, two rows of cusps, upper incisors grooved in surface, all CA habitats, good climbers, herbivores

sigmodontinae, peromyscus maniculatus, american deer mouse

muridae, skull< 2.7cm, two rows of cusps, cheekteeth terminal well-anterior to mandibular fossa, herbivore, very wide range

sigmodontinae, peromyscus californicus, california mouse

muridae, skull< 3cm, two rows of cusps, premaxillae beyond nasals, herbivore, prefers brushy mixed woodlands

arvicolinae, ondatra zibethicus, muskrat

muridae, skull > 5cm, prismatic teeth, herbivore, aquatic, builds large nests in water

arvicolinae, arborimus pomo, sonoma tree vole

muridae, skull < 3cm, prismatic teeth, last upper tooth w/ 3 inner projections, eats douglas fir needles, lives in trees

arvicolinae, cleithrionomys californicus, western red-backed vole

muridae, skull < 3cm, prismatic teeth, last upper tooth w/ 4 inner projections, herbivore of coniferous forest floor

arvicolinae, microtus sp, meadow vole

muridae, skull < 3cm, prismatic teeth, nasal not extending beyond incisors

erethizontidae, erethizon dorsatum,

skull > 7cm, very large infraorbital, jugal do not touch lacrimal

canidae, canis latrans, coyote

skull > 16cm, alisphenoid present, 7 lower cheekteeth, without distinct forehead, amazingly adaptable

canidae, canis familiaris, domestic dog

skull > 16cm, alisphenoid present, 7 lower cheekteeth, distinct forehead, amazingly adaptable, commensal with man

canidae, vulpes vulpes, red fox

skull < 16cm, alisphenoid present, 7 lower cheeckteeth, V-shaped temp. ridges, common in agricultural areas

canidae, urocyon cinereoargenteus, gray fox

skull < 16cm, alisphenoid present, U-shaped temp. ridges w/ depression in postorbitals, mandible has extra ang. process-like, wide range&diet, good climber

ursidae, ursus americanus, black bear

alisphenoid present, last upper molar large, bunodont cheekteeth, omnivore, aide range habitat, good climber

procyon lotor, northern raccoon

procyonidae, 6 upper cheekteeth, palate extending well-beyond last molars, prefers woodlands, washes food, sensitive hands, smart, good climber

bassariscus astutus, ringtail

procyonidae, 6 upper cheekteeth, palate at same level of last molars, carnivore, slightly omnivore, agil, nocturnal, shy

lontra canadensis, river otter

mustelidae, 9 total teeth, big infraorbital, squarish last upper molar, piscivore, carnivore

gulo gulo, wolverine

mustelidae, skull>13cm, 9 total teeth, dumbbell last upper molar, small infraorbital, coniferous woodlands, huge territories

martes pennanti, fisher

mustelidae, 9 total teeth, dumbbell last upper molar, carnassial >1cm, climber, coniferous woodlands, eats porcupines

martes americana, marten

mustelidae, 9 total teeth, dumbbell last upper molar, carnassial <1cm, climber, confiferous woodlands, eats squirrels

enhydra lutris, sea otter

mustelidae, big skull, 8 total teeth, oval last upper molar, lives in small groups, swims on its back

taxidea taxus, badger

mustelidae, 8 total teeth, triangular last upper molar, wide habitat, great digger, hunts in holes

mephitis mephitis, striped skunk

mustelidae, skull>6.5cm, 8 total teeth, squarish last upper molar, carnivore/omnivore, ambulatory

spilogale gracilis, spotted skunk

mustelidae, skull<6.5cm, 8 total teeth, squarish last upper molar, small postorbital, carnivore/omnivore

mustela vison, mink

mustelidae, skull<10cm, 8 total teeth, auditory bulla converging anteriorly

mustela erminea, ermine

mustelidae, skull<10cm, 8 total teeth in upper jaw, from mandibular fossa: more braincase

mustela frenata, long-tailed weasel

mustelidae, skull<10cm, 8 total teeth in upper jaw, from mandibular fossa: more face

felidae, lynx rufus, bobcat

short rostrum, no alisphenoid, carnassials, 3 upper cheekteeth, small first upper molar, carnivore, sub-boreal habitat

felidae, felis concolor, mountain lion

skull >15cm, short rostrum, no alisphenoid, carnassials, 4 upper cheekteeth, small first upper molar, widest ranging carnivore in the Americas

felidae, felis catus, house cat

small skull, short rostrum, no alisphenoid, carnassials, 4 upper cheekteeth, small first upper molar, carnivore, eats birds and small mammals

otariidae, eumetopias jubatus, stellar's sea lion

postorbital distinct, alisphenoid present, conical cheekteeth, gap between last two upper molars, big sagital crest, largest otariid, eats squid, fish and octopus

otariidae, zalophus californianus, california sea lion

postorbital distinct, alisphenoid present, conical cheekteeth, big sagital crest, condyles back of skull, eats squid&fish

phocidae, mirounga angustirostris, elephant seal

no alisphenoid, cheekteeth without distinct cusps, fat canines, premaxilla dont touch nasals, 1 lower incisor, eats squid & fish, deep diver

phocidae, phoca vitulina, harbor seal

no alisphenoid, tricuspid cheekteeth, eats squid, octopus & fish, widest ranging phocid

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set