Foreword / by Scott Weidensaul
Introduction : It's tough to be a bird
Birds, beaks, and bellies : the whys and wherefores of foraging
Can you see UV? : how birds employ their sensory abilities
Ups and downs : the animals that conquered the air
Travel hither and yon : migration and navigation in an endless sky
Weather survival strategies : enduring heat, cold, wind, and rain
Bird communities : how birds live together
Human influences : what we do to birds.