Lab Practical 3

Eastern cotton tail

Sylvilagus floridanus

New England cottontail

sylvilagus transitionalis

Snowshoe hare

Lepus americanus

North American porcupine

Erethizon dorsatum

Family Erethizontidae

New world porcupines

Hystricomorphs + Hystricognathus

Family Castoridae

true beavers

Sciruromorphous + Sciurognathus

Small infraorbital foramen, masseters originate on zygomatic arch

Protogomorphous

Small infraorbital foramen, superficial masseter on zygomatic arch

Sciuromorphous

Huge infraorbital foramen, medial masseter travels through the foramen

Hystricomorphous

Large infraorbital foramen, Lateral masseter on zygomatic plate

Myomorphous

Sciurognathus mandible

V shaped

Angular process originates in the same plane as incisors

Hystricognathus mandible

U shaped

Angular process originates lateral to the plane of incisors

North American beaver

Castor canadensis

Family Sciuridae

Squirrels

Sciuromorphous (masseter does not pass through infraorbital foramen)

Post orbital process

small infraorbital foramen

Bunodont

Eastern chipmunk

Tamias striatus

Eastern gray squirrel

Sciurus carolinesis

American red squirrrel

Tamiasciurus hudsonicus

Northern flying squirrel

Glaucomys sabrinus

Southern flying squirrel

Glaucomys volans

Woodchuck, groundhog

Marmota monax

Family Zapodidae

Jumping mice

very long tails

grooved upper incisors

Hystricomorphous - very large infraorbital foramen

Meadow jumping mouse

Zapus hudsonius

Woodland jumping mouse

Napaeozapus insignis

Family Cricetidae

Mice - large ears, large eyes, long tails

voles and lemmings - shorter ears, smaller eyes, shorter tails

All myomorphous

Genus Peromyscus mice

2 NH species:

Peromyscus maniculatus

Peromyscus leucopus

Genus Synaptomys lemmings

2 NH species

Synaptomys borealis

Synaptomys cooperi

Genera Microtus and Myodes voles

Microtus pennsylvanicus

Microtus chrotorrhinus

Microtus pinetorum

Myodes gapperi

Meadow vole

Microtus pennsylvanicus

Rock vole

Microtus chrotorrhinus

Pine or woodland vole

Microtus pinetorum

Southern red backed vole

Myodes gapperi

Muskrat

Ondatra zibethicus

Bobcat

Lynx rufus

Canada lynx

Lynx canadensis

Lynx rufus

Lynx canadensis

Coyote

canis latrans

Canis latrans - coyote

Gray fox

Urocyon cinereoargenteus

urocyon cinereoargenteus - gray fox

Red fox

vulpes vulpes

Vulpes vulpes - red sox

American black bear

Ursus americanus

Ursus americanus

Mustelidae

North american river otter, fisher, american marten, long tailed weasel, short tailed weasel, american mink

Northern river otter

Lontra canadensis

Lontra canadensis - northern river otter

Short tailed weasel

Mustela erminea

Mustela erminea

Long tailed weasel

Mustela frenata

Mustela frenata

American mink

Neovision vision

Neovision vision

Fisher

Pekania pennati

Pekania pennanti - fisher

American marten

martes americana

Martes americana

Mephitidae

long rostriums, broad bodies, short limbs with robust claws

striped skunk

Mephitis mephitis

Mephitis mephitis

Procyonidae

1 NH species - North american raccoon

Norther raccoon

Procyon lotor

Procyon lotor

Phociade

Seals

3 NH species

Harbor seal, grey seal, harp seal

harbor seal

Phoca vitulina

Order Certartiodactyla

Even toed ungulates (deer/moose), cetaceans, domestic even toed ungulates

Family Cerivadae

White tailed deer and moose

White tailed deer

Odocoileus virginianus

Moose

Alces alces