Scats and Tracks of the Desert Southwest: A Field Guide to the Signs of 70 Wildlife Species

Scats and Tracks of the Northeast

Scats and Tracks of the Midwest: A Field Guide to the Signs of Seventy Wildlife Species

Scats and Tracks of Alaska Including the Yukon and British Columbia

Scats and Tracks of the Southeast

Scats and Tracks of the Mid-Atlantic: A Field Guide to the Signs of Seventy Wildlife Species

Scats and Tracks of Alaska Including the Yukon and British Columbia: A Field Guide to the Signs of Sixty-Nine Wildlife Species

Scats and Tracks of the Midwest: A Field Guide to the Signs of Seventy Wildlife Species

A Field Guide to Mammal Tracking in North America

Scats and Tracks of the Great Plains: A Field Guide to the Signs of Seventy Wildlife Species