• Acknowledgements ix

Introduction 1

Method of Deivising the Key and Manual 3

Using the Key 4

Definitions of Terms 5

Gaits and Corresponding Track Patterns 7

A Key to the Mammal Tracks of the Northeast 11

Compression Shapes 15

MAMMALS OF THE NORTHEAST

FAMILYSPECIES
DidelphidaeVirginia Opossum 18
SoricidaeShrews 20
LeporidaeCottontail, Eastern and New England 22
Snowshoe Hare 24
SciuridaeEastern Chipmunk 26
Woodchuck 28
Gray Squirrel 30
Red Squirrel 32
Flying Squirrel, Northern and Southern 34
CastoridaeBeaver 36
MuridaeDeer Mouse and White-Footed Mouse 40
Voles 42
Muskrat 44
MurinaeNorway Rat 46
ZapodidaeMeadow Jumping Mouse and Woodland Jumping Mouse 48
ErethizontidaePorcupine 50
CanidaeDomestic Dog 52
Gray Wolf 54
Coyote 58
Red Fox 60
Gray Fox 64
UrsidaeBlack Bear 66
ProcyonidaeRaccoon 70
MustelidaeWeasels, Long-tailed, Short-tailed, and Least 72
Mink 74
Marten 76
Fisher 80
River Otter 82
MephitidaeStriped Skunk86
FelidaeHousecat 88
Bobcat 90
Lynx 92
Mountain Lion 96
CervidaeWhite-Tailed Deer 100
Elk or Wapiti 104
Moose 106

Comparison Pages 109

Breeding Seasons in the Northeast 128

Notes 131

Bibliography 133

Index 135