CASEY MCFARLAND trains biologists, research teams, ecotourism guides, and the general public to read and interpret the tracks, signs, and trails of wildlife. A Senior Tracker and Senior International Evaluator for CyberTracker Conservation, he works around the globe to develop and support wildlife tracking skill and ecological knowledge. A skilled educator and all-around outdoorsman, Casey provides Track & Sign and Trailing Evaluations-as well as a variety of backcountry expeditions and wildlife courses. He is a coauthor of the revision of Mammal Tracks and Sign: A Guide to North American Species and Bird Feathers: A Guide to North American Species. He lives in Fort Collins, Colorado.

A comprehensive field guide to the nests and nesting behavior of North American birds
Beyond being a simple reference book, the Peterson Field Guide to North American Bird Nests is a practical, educational, and intimate doorway to our continent's bird life. The diversity of nests and nesting strategies of birds reflect the unique biology and evolution of these charismatic animals. Unlike any other book currently on the market, this guide comprehensively incorporates nest design, breeding behavior, and habitat preferences of North American birds to provide the reader with a highly functional field resource and an engaging perspective of this sensitive part of a bird's life cycle.