CONTENTS 



Page 



Introduction 1 



Acknowledgments 3 



Order Columbiformes 4 



Family Columbidae : Pigeons and Doves; Palomas y Tortolitas 4 



Order Psittaciformes 63 



Family Psittacidae : Macaws, Parrots, and Parakeets ; Guacamayos, 



Loros, y Pericos 63 



Order Cuculiformes 108 



Family Cuculidae ; Cuckoos, Anis, and Allies ; Cuclillos, Garrapateros, 



y Especies Afines 108 



Order Strigiformes 144 



Family Tytonidae: Barn Owls; Lechuzas de los Campanarios 144 



Family Strigidae : Typical Owls ; Buhos y Buhitos 146 



Order Caprimulgiformes 186 



Family Steatornithidae : Oilbirds ; Guacharos 186 



Family Nyctibiidae : Potoos ; Leonas y Urutaiis 188 



Family Caprimulgidae : Goatsuckers ; Chotacabras y Tapacaminos 195 



Order Apodiformes 223 



Family Apodidae : Swifts, Vencejos 223 



Family Trochilidae : Hummingbirds, Colibries 247 



Order Trogoniformes 379 



Family Trogonidae : Trogons, Trogonidos 379 



Order Coraciiformes 420 



Family Alcedinidae: Kingfishers; Martin Pescadores 420 



Family Momotidae : Motmots ; Momotidos 437 



Order Piciformes 456 



Family Galbulidae: Jacamars; Barranqueros y Tucusos de Montana. 456 



Family Bucconidae : Puff birds Buconidas 467 



Family Capitonidae : Barbets ; Capitanes 491 



Family Ramphastidae : Toucans ; Tucanes 504 



Family Picidae : Woodpeckers ; Carpinteros 527 



Index 585 



LIST OF ILLUSTRATIONS 



Frontispiece: Spot-breasted woodpecker, carpintero pechipunteado, 



Chrysoptilus punctigula striatigularis. 



Figure Page 



1. White-crowned pigeon, paloma cabeciblanca, Columba leucoccphala. . 7 



2. Scaled pigeon, paloma escamosa, Columba speciosa 12 



3. Short-billed pigeon, tres-pesos-son, Columba nigrirostris 15 



4. Mourning dove, paloma rabiaguda, Zenaidura macroura 22 



5. Blue ground-dove, tortolita azul, Claravis pretiosa 34 



iii 



