Small Mammals

Question 1

“Christmas light” teeth that are wavy, small

Answer 1

Microtus californicus

Question 2

“Christmas light” teeth that are wavy, large; 2 post orbital processes

Answer 2

Ondatra zibethicus

Question 3

Shrew, dark body without much change in color to underbelly

Answer 3

Sorex trowbridgii

Question 4

Shrew, brown body with lighter underbelly

Answer 4

Sorex ornatus

Question 5

Chipmunk, brown and white striped

Answer 5

Tamias merriami

Question 6

Sm/med bodied mouse, tail similar length to body, thin orange line visible, large ears

Answer 6

Peromyscus californicus

Question 7

sm/med bodied mouse, tail shorter than body, orange line visible, small ears

Answer 7

Peromyscus truei

Question 8

sm/med bodied mouse, tail shorter than body, no visible orange line, small ears

Answer 8

Reithrodontomys megalotis

Question 9

Squirrel skull with a normal sized P3

Answer 9

Otospermophilus beecheyi

Question 10

small bodied mouse, large ears, orange line, tail shorter than body

Answer 10

Peromyscus maniculatus

Question 11

large rat like body, pointed nose, short tail with scales, small ears

Answer 11

Ondatra zibethicus

Question 12

short tail, smaller mouse body, no orange line, small ears

Answer 12

Mierotus californicus

Question 13

med bodied, med/lg ears, long tail with long hair, no orange line, white underbody

Answer 13

Neotoma fuscipes

Question 14

tiny ears, faint orange line, indistinct color variation to underbody, rounded snout

Answer 14

Thomomys bottae

Question 15

dentition has several pools in each tooth

Answer 15

Thomomys bottae

Question 16

small bodied, long tail, average ears, orange line, brown tan coloration

Answer 16

Chaetodipus californicus

Question 17

chipmunk/mouse body, very long tail with lots of trailing brown fur, orange line, distinct white underbelly, bushy whiskers, pointed face, long hind feet

Answer 17

Dipodomys venustus

Question 18

chipmunk/mouse body, long tail, trailing white fur, orange line, distinct white underbelly, rounded face, long hind feet

Answer 18

Dipodomys heermanni

Question 19

Squirrel, small with a slim short tail, gray and white shoulders,

Answer 19

Otospermophilus beecheyi

Question 20

squirrel, pinhead P3

Answer 20

Sciurus carolinensis

Question 21

squirrel, no P3

Answer 21

Sciurus niger

Question 22

squirrel, short slim to bushy tail, brown stripe down back

Answer 22

Sciurus carolinensis

Question 23

larger squirrel, all gray, long bushy tail

Answer 23

Sciurus griseus

Question 24

squirrel, darker fur with orange undertone, bushy short tail

Answer 24

Sciurus niger

Question 25

squirrel, pinhead P3

Answer 25

Sciurus griseus

Question 26

black fur mole, wide front paws, stubby tail with no fur

Answer 26

Scapanus latimanus

Question 27

black fur mole, skinny front paws, short tail, long skinny snout

Answer 27

Neurotrichus gibbsii

Question 28

skull is webby

Answer 28

lagomorph

Question 29

lagomorph skull with a triangular plate on the post orbital cranium

Answer 29

Sylvilagus sp.

Question 30

lagomorph skull lacking a triangular plate, webbed along most of the back of the skull

Answer 30

Lepus Californicus

Question 31

Rabbit, white bushy tail, light sandy colored fur, average ears

Answer 31

Sylvilagus audubonii

Question 32

Rabbit, blackish tail, brown fur, short ears

Answer 32

Sylvilagus bachmani

Question 33

Rabbit, long bodied, long ears, darker brown fur, black tail

Answer 33

Lepus californicus

Question 34

long tail with scales, pointed snout, average ears, no orange line, rat

Answer 34

Rattus norvegicus

Question 35

very long tail, small fore feet, pointed ears, long snout, pale underbelly, rat

Answer 35

Rattus rattus

Question 36

small, tail similar length to body, pointed nose, mouse

Answer 36

Mus musculus