Flight Strategies of Migrating Hawks Indonesia with her water jar duct-taped

with her water jar duct-taped to the counter

a new generation of naturalists and scientists set out to explore the tropical forests and mountain ranges

unexpected gliders [squirrels

encourage activism

In Ten Birds That Changed the World

Flight Strategies of Migrating Hawks Indonesia with her water jar duct-tapedGood+ used paperback. Bumped, creased corners and cover. Shelf worn. Hawks fly at very high altitudes, sometimes over water, and thus their flight behavior and migration patterns are extremely difficult to study. Now, based on nearly ten years of research, this book provides the most complete analysis to date of how hawks migrate. Paul Kerlinger has employed both direct observations and radar techniques to obtain a much more accurate understanding of