Phylum Chordata/class Mammals

Front 1

Features of the Mammal class?

Back 1

Pelage of hair/fur • Shaft made of Keratin (protein) • Sebaceous glands secrete oil • Arrector pili muscle attaches to follicle (causes goose bumps/traps heat)

Types of Hair • Guard hairs • Vibrissae • Awn hairs • Down ha

Diaphragm 3 inner ear bones (other vertebrates have 1)

7 cervical vertebrae

(Except for sloth and manatee)

Mammary and many other glands

4 chambered heart

Large brain for body size

Homeotherms ( can cool off and warm up body)

Average temperature of 100°

Torpor/Hibernstion and estivation

Most are Heterodont • Incisors • Canine • Premolars • Molars

Some are homodont

Front 2

Features of the monotremata order?

Back 2

Very reptilian Cloaca Locomotion Lays eggs No teats No vibrissae Males = spur on ankle

Front 3

Features of the Didelphimorphia class?

Back 3

•Only marsupial in America

•About the size of a house cat with heavier body and shorter legs

•pointed noise and rat like scaly tail

•Nocturnal, omnivorous, may take death when attacked

Front 4

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Back 4

Opposum

Front 5

Features of the Soricomorpha order?

Back 5

• Most primitive placental mammals • Plantigrade • Smallest known mammals • Pelage of one type & uniform length

Front 6

Features of the Chiroptera order?

Back 6

• Only flying mammals • Hand = wing with clawed thumb • Keeled sternum • Hollow bones • Nocturnal • Echolocation • Beneficial • Second largest order (1100 species)

Front 7

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Back 7

Fruit bat

Front 8

Features of the lagomorpha class?

Back 8

• 4 upper incisors • 2 lower • Incisors grow throughout life • No canine teeth • Digitigrade • Hares = precocial young • Rabbits/pikas = altricial young

Front 9

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Back 9

Black tailed hare

Front 10

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Back 10

Rabbit

Front 11

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Back 11

Cali ground squirrel

Front 12

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Back 12

Gold mantled ground squirrel

Front 13

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Back 13

Antelope ground squirrel

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Back 14

Western Gray Squirrel

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Back 15

Western Gray squirrel

Front 16

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Back 16

Chipmunk

Front 17

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Back 17

Pocket gopher

Front 18

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Back 18

Kangaroo rat

Front 19

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Back 19

American Beaver

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Back 20

Deer mouse

New world

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Back 21

Wood rat

New world

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Back 22

Porcupine

Front 23

Features of Cetacea order?

Back 23

• Strictly aquatic • Fusiform • Hairless • Flippers • Blubber

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Back 24

Gray whale

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Back 25

Humpback whale

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Back 26

Killer whale

Front 27

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Back 27

Bottlenose dolphin

Front 28

Features of Carnivora order

Back 28

•Wide variety of diets • Well haired • Curved claws • Long canine teeth • Prominent ears

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Back 29

Coyote

Front 30

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Back 30

Red fox

Front 31

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Back 31

Gray fox

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Back 32

Black bear

Front 33

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Back 33

Raccoon

Front 34

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Back 34

Sea otter

Front 35

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Back 35

Stripped skunk

Front 36

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Back 36

Mountain lion

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Back 37

Bobcat

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Back 38

Cali sea lion

Front 39

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Back 39

Harbor seal

Front 40

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Back 40

Elephant seal

Front 41

Features of Perissodactyla order?

Back 41

• Odd toed/ hoofed mammal • Herbivores • Unguligrade= walks on to nail

• middle toe is dominant

Front 42

Features of the Artiodactyla order?

Back 42

•Herbivores

•2 or 4 toes

•Unguligrade

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Back 43

Mule deer

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Back 44

Elk

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Back 45

Moose

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Back 46

Pronghorn

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Back 47

Desert Bighorn Sheep