William S. Clark – författare

The essential field guide to the raptors of Mexico and Central America Raptors are among the most challenging birds to identify in the field due to their bewildering variability of plumage, flight silhouettes, and behavior. Raptors of Mexico and Central America is the first illustrated guide to the region's 69 species of raptors, including vagrants. It features 32 stunning color plates and 213 color photos, and a distribution map for each regularly occurring species. Detailed species accounts describe key identification features, age-related plumages, status and distribution, subspecies, molt, habitats, behaviors, potential confusion species, and more. Raptors of Mexico and Central America is the essential field guide to this difficult bird group and the ideal travel companion for anyone visiting this region of the world.* Covers all 69 species of raptors found in Mexico and Central America* Features 32 color plates and hundreds of color photos* Provides multiple illustrations of each species* Depicts and describes variations in plumage by individual, morph, age, and region* Describes behavior, food preferences, hunting strategies, vocalizations, and molt* Covers rare and extralimital species* Includes distribution maps and flight silhouettes

The most comprehensive guide to African raptors ever published.Due to its large land mass and impressive variety of habitats, Africa has the most diverse range of raptors of any continent – with almost a third of the world’s species occurring in the region. These diurnal birds of prey are well known for their hooked bill and powerful talons, as well as their keen vision that enables them to accurately detect their prey during flight. This authoritative guide, part of the Helm Identification series, features all 106 species found in Africa, with particular emphasis on their field identification. Encompassing falcons, eagles, ospreys, kites, vultures and more, African Raptors discusses the identification of both perched and flying birds, bringing together the very latest research with accurate distribution maps, more than 300 colour photographs and 52 superb plates that illustrate a broad range of ages and racial plumage differences. This book is the ultimate reference on these remarkable birds, and will be indispensable for all birders and ornithologists with an interest in birds of prey.

The essential field guide to the raptors of Mexico and Central AmericaRaptors are among the most challenging birds to identify in the field due to their bewildering variability of plumage, flight silhouettes, and behavior. Raptors of Mexico and Central America is the first illustrated guide to the region''s 69 species of raptors, including vagrants. It features 32 stunning color plates and 213 color photos, and a distribution map for each regularly occurring species. Detailed species accounts describe key identification features, age-related plumages, status and distribution, subspecies, molt, habitats, behaviors, potential confusion species, and more.Raptors of Mexico and Central America is the essential field guide to this difficult bird group and the ideal travel companion for anyone visiting this region of the world.

Covers all 69 species of raptors found in Mexico and Central AmericaFeatures 32 color plates and hundreds of color photosProvides multiple illustrations of each speciesDepicts and describes variations in plumage by individual, morph, age, and regionDescribes behavior, food preferences, hunting strategies, vocalizations, and moltCovers rare and extralimital speciesIncludes distribution maps and flight silhouettes

The most comprehensive guide to African raptors ever published.Due to its large land mass and impressive variety of habitats, Africa has the most diverse range of raptors of any continent – with almost a third of the world''s species occurring in the region. These diurnal birds of prey are well known for their hooked bill and powerful talons, as well as their keen vision that enables them to accurately detect their prey during flight. This authoritative guide, part of the Helm Identification series, features all 106 species found in Africa, with particular emphasis on their field identification. Encompassing falcons, eagles, ospreys, kites, vultures and more, African Raptors discusses the identification of both perched and flying birds, bringing together the very latest research with accurate distribution maps, more than 300 colour photographs and 52 superb plates that illustrate a broad range of ages and racial plumage differences. This book is the ultimate reference on these remarkable birds, and will be indispensable for all birders and ornithologists with an interest in birds of prey.