Raptor Watch: A Global Directory of Raptor Migration Sites

Zalles, Jorje I.; Bildstein, Keith L.

Hawks on the Wing: A Guide to Identifying Eastern North American Hawks [Blu-Ray]

Haas, Josh

Hawks on the Wing Quick Reference Field Guide: A Guide to Identifying Eastern North American Hawks

Haas, Josh

Hawks on the Wing: A Guide to Identifying Eastern North American Hawks

Haas, Josh

Flight Strategies of Migrating Hawks

Kerlinger, Paul

An Eternity of Eagles: The Human History of the Most Fascinating Bird in the World

Bodio, Stephen J.

Hawks in Flight, Second Edition. The Flight Identification of North American Raptors

Dunne, Pete; Sutton, Clay; Sibley, David Allen

How to Spot Hawks & Eagles

Sutton, Clay; Sutton, Patricia

International Hawkwatcher: A Scientific Journal Devoted to Original Raptor Research. No. 1

Heintzelman, Donald S.

International Hawkwatcher: A Scientific Journal Devoted to Original Raptor Research. No. 2

Heintzelman, Donald S.

International Hawkwatcher: A Scientific Journal Devoted to Original Raptor Research. No. 3

Heintzelman, Donald S.

International Hawkwatcher: A Scientific Journal Devoted to Original Raptor Research. No. 4

Heintzelman, Donald S.