Biol. 452 - Vertebrate Natural History

K. Petersen's Home Page

Biol. 452 Home Page

Mammal Skins - Part 2	Mammal Skulls - Part 2
Mammal Skulls - Part 1	Mammal Skulls - Part 3

Click on each image to see the larger version.

Infraclass Prototheria, Duck-billed Platypus

Infraclass Metatheria Order Didelphimorphia Virginia Opossum

Old individual with cataracts.

Front foot & back foot with short, clawless "thumb".

Infraclass Eutheria Order Xenarthra

Nine-banded Armadillo Head

Nine-banded Armadillo

Infraclass Eutheria Order Insectivora	Townsend's Mole	Vagrant Shrew
Infraclass Eutheria Order Insectivora	Top - 2 Vagrant Shrews Bottom - Pacific Water Shrew	Pacific Water Shrew - hind feet
Infraclass Eutheria Order Chiroptera	Little Brown & Big Brown Bats	Silver-haired Bat
Infraclass Eutheria Order Chiroptera	Pallid Bat	Hoary Bat

Infraclass Eutheria, Order Rodentia

Beaver tail & hind foot	Muskrat tail & hind feet
Mountain Beaver	Mountain Beaver's head & odd-shaped ear
Porcupine skin with quills	Porcupine Hind Foot
Bushy-tailed Woodrat	Bushy-tailed Woodrat - tail
Northern Flying Squirrel	Northern Flying Squirrel - look at lateral skin folds between legs
Douglas Squirrels	Douglas Squirrels
Top - Golden Mantled Ground Squirrel Bottom - Yellow Pine Chipmunk	Columbian Ground Squirrel - in sections
Hoary Marmot - head	Hoary Marmot - tail
Top - Ord's Kangaroo Rat Middle - Pacific Jumping Mouse Bottom - Forest Deer Mouse	Top - Ord's Kangaroo Rat Middle - Pacific Jumping Mouse Bottom - Forest Deer Mouse
Top - Great Basin Pocket Mouse Middle - Western Harvest Mouse Bottom - Northern Grasshopper Mouse	Top - Northern Pocket Gopher Middle - Townsend's Vole Bottom - Red-backed Vole
External cheek pouches in kangaroo rats & pocket mice.	External cheek pouches & claws in Northern Pocket Gopher.

Infraclass Eutheria, Order Lagomorpha

American Pika
Nuttall's or Mountain Cottontail
Black-tailed Jackrabbit
Snowshoe Hare
Snowshoe Hare - winter fur

| top of page |