Hawks at a Distance - Identification of Migrant Raptors

Erscheinungsjahr 2011
ISBN: 978-0-691-13558-8
Verlag: Princeton University Press

Buch, Englisch, 216 Seiten, Format (B × H): 169 mm x 226 mm, Gewicht: 601 g

The ultimate must-have guide for identifying migrant raptors, Hawks at a Distance is the first volume to focus on distant raptors as they are truly seen in the field. Jerry Liguori, a leading expert on North American raptors, factors in new information and approaches for identifying twenty-nine species of raptor in various lighting situations and settings. The field guide's nineteen full-color portraits, 558 color photos, and 896 black-and-white images portray shapes and plumages for each species from all angles. Useful flight identification criteria are provided and the accompanying text discusses all aspects of in-flight hawk identification, including flight style and behavior. Concentrating on features that are genuinely observable at a distance, this concise and practical field guide is ideal for any aspiring or experienced hawk enthusiast.The first guide to focus on distant raptors as they are viewed in the field New information and approaches for identifying distant raptors Illustrates twenty-nine species in various lighting situations and settings 558 color photos and 896 black-and-white images depicting plumage and shape characteristics All aspects of in-flight hawk identification, including flight style and behavior

Autoren/Hrsg.

Liguori, Jerry

Weitere Mitwirkende

Dunne, Pete

Fachgebiete

• Naturwissenschaften Biowissenschaften Tierkunde / Zoologie Wirbeltiere (Vertebrata) Vögel (Ornithologie)

Inhaltsverzeichnis

Foreword by Pete Dunne ix

Preface xiii

Acknowledgments xiii

Introduction 1

How to Use This Book 1

Terminology 2

Glossary 3

Hawk Migration 4

Helpful Hints 4

Anatomy 5

Flight Positions 6

Hawk Counting 8

Optics for Hawk Watching 8

Photography 9

Accipiters 14

Sharp-shinned Hawk 17

Cooper's Hawk 25

Northern Goshawk 31

Northern Harrier 37

Buteos 44

Red-shouldered Hawk 47

Broad-winged Hawk 51

Swainson's Hawk 59

Red-tailed Hawk 67

Ferruginous Hawk 83

Rough-legged Hawk 91

Falcons 101

American Kestrel 103

Merlin 109

Peregrine Falcon 115

Prairie Falcon 121

Gyrfalcon 124

Vultures, Osprey, Eagles 127

Black Vulture 127

Turkey Vulture 131

Osprey 135

Bald Eagle 137

Golden Eagle 147

Uncommon Migrants and Others 157

California Condor 157

Mississippi Kite 159

White-tailed Kite 159

Swallow-tailed Kite 162

Hook-billed Kite 162

Crested Caracara 163

Short-tailed Hawk 166

White-tailed Hawk 167

Zone-tailed Hawk 169

Shapes 171

Photo Credits 191

Bibliography 192

Index 193

Über Autor(innen)

Jerry Liguori has been studying raptors throughout North America since 1984. He has conducted hawk migration counts at spring and fall migration sites, such as Cape May Point, Sandy Hook, Derby Hill, Braddock Bay, Whitefish Point, and Dinosaur Ridge, and the Goshute, Wasatch, and Sandia mountains. He is the author of "Hawks from Every Angle" (Princeton).