James C. Halfpenny

A field guide to mammal tracking in North America

A field guide to mammal tracking in western America

1986

Scats and tracks of Alaska, including the Yukon and British Columbia

2007

Scats and tracks of North America

2008

Scats and tracks of the Great Lakes

2006

Scats and tracks of the Great Plains

2007

Scats and tracks of the Midwest

2007

Scats and tracks of the Northeast

2001

Scats and tracks of the Pacific Coast, including British Columbia

1999

Winter

1989

Yellowstone Bears in the Wild

2007

Yellowstone Wolves in the Wild

2003

Scats and tracks of the Rocky Mountains

1998

Scats and tracks of the Southeast

Scats and tracks of the Pacific Coast

Bibliography of alpine and subalpine areas of the Front Range, Colorado

Tracking wolves

Scats and Tracks of the Pacific Coast State

Field Guide to Scats and Tracks of the Rocky Mountains

Scats and Tracks of the Desert Southwest

Polar Bears of Canada

Ecological studies in the Colorado alpine