James Halfpenny, PhD, and Todd Telander have collaborated on several previous FalconGuides Scats and Tracks titles covering various regions of North America.
Telander, a natural science illustrator and Wildlife artist, lives in Walla Walla, Washington..
Halfpenny, one of the world\'s leading experts on animal tracking, lives in Gardiner, Montana at the edge of Yellowstone National Park.
James Halfpenny, PhD, and Todd Telander have collaborated on several previous FalconGuides Scats and Tracks titles covering various regions of North America