Whether soaring or perched, diurnal birds of prey often present challenging identification problems for the bird enthusiast. Variable plumage, colour morphs, and unique individual characteristics are just some of the factors bird watchers must consider when identifying the different species. In this authoritative reference, two of the world's top experts on raptors provide an essential guide to the variations in the species, allowing for easier recognition of key identification points. All the distinguishing marks described have been exhaustively tested in a wide range of field conditions by the authors as well as the colleagues and students who have learned from them. Key Features * The only complete photographic guide to North American diurnal birds of prey * Includes all species, common and rare * Written by well-known experts/authors of the best-selling previous guide * Contains 365 photographs, each with an explanatory caption and supporting text describing all 43 species of diurnal raptors found in North America * Features 14 discussions of specific problems in practical identification * Complete set showing every plumage * Raptor I.D. problem section showing similar species side by side

A Photographic Guide to North American Raptors

Science & Math

Brian K. Wheeler

William S. Clark

Biological Sciences

Princeton University Press

This guide includes all 39 species of North American hawks and other diurnal raptors, including eagles, falcons, and vultures. Color paintings and photographs show each species in various color morphs and plumages, which are aso described in detail.

A Field Guide to Hawks: North America (Peterson Field Guide Series Vol 35)

Houghton, Mifflin Company

Peterson Field Guide Hawks - Product Code:T397

A Field Guide to Hawks: North America (Peterson Field Guide Series, 35)

Humor & Entertainment

Humor

Houghton Mifflin (P)

Includes all 39 species of North American hawks and other diurnal raptors including eagles, falcons, and vultures.

Field Guide to Hawks: North America (Peterson Field Guides)

Houghton/Mifflin

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Books by William S. Clark