CONTENTS 



Page 



Introduction vii 



Order Piciformes 



Family Picidae: American woodpeckers 



Campephilus principalis : I vory-billed woodpecker 



Habits 



Distribution 12 



Dryobates villosus villosus : Eastern hairy woodpecker 13 



Habits 13 



Distribution 23 



Dryobates villosus septentrionalis : Northern hairy woodpecker 25 



Habits 25 



Dryobates villosus auduboni : Southern hairy woodpecker 27 



Habits 27 



Dryobates villosus harrisi: Harris's woodpecker 29 



Habits 29 



Dryobates villosus hyloscopus: Cabanis's woodpecker 33 



Habits 33 



Dryobates villosus monticola: Rocky Mountain hairy woodpecker — 35 



Habits 35 



Dryobates villosus picoideus: Queen Charlotte woodpecker 37 



Habits 37 



Dryobates villosus terraeno vae : Newfoundland woodpecker 38 



Habits 38 



Dryobates villosus icastus : Chihuahua woodpecker 39 



Habits 39 



Dryobates villosus sitkensis: Sitka hairy woodpecker 40 



Habits 40 



Dryobates villosus orius: Modoc woodpecker 41 



Habits 41 



Dryobates villosus scrippsae: Lower California hairy woodpecker 44 



Habits 44 



Dryobates villosus leucothorectis: White-breasted woodpecker 44 



Habits 44 



Dryobates pubescens pubescens: Southern downy woodpecker 45 



Habits 45 



Distribution 47 



Dryobates pubescens gairdneri: Gairdner's woodpecker 49 



Habits 49 



Dryobates pubescens leucurus : Batchelder's woodpecker 51 



Habits 51 



Dryobates pubescens medianus: Northern downy woodpecker 52 



Habits 52 



Dryobates pubescens nelsoni: Nelson's downy woodpecker 68 



Habits 68 



