This guide shows how to recognize hawks the way we recognize friends at a distance: by body shape, movements, and locale.

    Amateur and expert alike can quickly and accurately identify almost any wildflower using Lawrence Newcomb's system, which is based on natural structural features that are easily visible even to the untrained eye. Every time you see an unknown plant, ask yourself the same five questions (related to the type of plant and the structure of its petals and leaves), and you will be directed to the page on which the plant can be found. Beautiful illustrations make confirmation easy.

    This introduction to the life of the past as revealed through fossils includes:-Descriptions of the typical plants and animals of major geological eras-Maps showing where fossils can be found-The history of the development of life on earthFull-color illustrations and concise information make this an invaluable and enjoyable guide to a fascinating subject.

    Chapters on the structure and ecology of tree bark, descriptions of bark appearance, an easy-to-use identification key, and supplemental information on non-bark characteristics—all enhanced by over 450 photographs, illustrations, and maps—will show you how to distinguish the textures, shapes, and colors of bark to recognize various tree species, and also understand why these traits evolved. Whether you’re a professional naturalist or a parent leading a family hike, Bark: A Field Guide to Trees of the Northeast is your essential guide to the region’s 67 native and naturalized tree species.

    More an encyclopedia than a field guide, National Geographic's Complete Birds is a browsable treasure trove of facts. This comprehensive volume profiles every bird observable in the continental United States and Canada, featuring species accounts with details that include calls and songs, breeding behaviors, molting patterns, and the vast extent of their polar and neotropical migrations. The precision maps, illuminating photographs, and more than 4,000 exquisite pieces of annotated art make this the biggest and best bird book ever.This third edition, thoroughly updated, includes:Information on more than 1,000 species and subspeciesOverviews of every familyOrganization reflecting current taxonomy850 range maps, more than half updated since the last editionSidebars on identification challenges such as distinguishing between Bay-breasted and Blackpoll Warblers in fall or separating the various species of white egretsThese 752 pages add up to a lifetime of learning for all devoted birders, from those just beginning birders to those who have been building their life lists for decades. Bird lovers will appreciate many other titles from National Geographic, including:Field Guide to the Birds of North AmericaBackyard Guide to the Birds of North AmericaHow to Know the Birds Birds of the Photo Ark

    How to find, identify, measure, and interpret the clues mammals leave behind--explained and illustrated like never before. Includes essays that contextualize tracking as a developing science continually garnering more interest and participation; included also are instructive anecdotes from the author's work as a tracker and wildlife expert. An invaluable resource for beginning or professional trackers and wildlife enthusiasts in all North American locations.

    This book shows how easy it is to fill our gardens with everything from foxes, frogs and mice, to butterflies, ladybirds and thousands of fascinating creepy-crawlies.

    Collects photographs, range maps, and descriptive entries identifying the markings, habits, habitat, and voice of each species.

    Since that time he has answered thousands of questions about birds, both at his store and while walking down the aisles of the supermarket. The questions have ranged from inquiries about individual species ("Are flamingos really real?") to what and when to feed birds ("Should I bring in my feeders for the summer?") to the down-and-dirty specifics of backyard birding ("Why are the birds dropping poop in my pool?"). Answering the questions has been easy; keeping a straight face has been hard.Why Don't Woodpeckers Get Headaches? is the solution for the beginning birder who already has a book that explains the slight variation between Common Ground-Doves and Ruddy Ground-Doves but who is really much more interested in why birds sing at 4:30 A.M. instead of 7:00 A.M., or whether it's okay to feed bread to birds, or how birds rediscover your feeders so quickly when you've just filled them after a long vacation. Or, for that matter, whether flamingos are really real.

    Line drawings highlight family characteristics, and plant entries discuss medicinal uses, edibility, toxicity, and look-alike plants. A standard reference at herbal and wilderness schools across the country, this resource is essential for herbalists, gardeners, and naturalists.

    Naturalists Kenn Kaufman and Eric R. Eaton use a broad ecological approach rather than overly technical terms, making the book accessible and easy to use. Their lively and engaging text emphasizes the insects that are most likely to draw attention and also includes helpful details on a wide array of lesser-known but recognizable groups. The guide is lavishly illustrated, with more than 2,350 digitally enhanced photographs representing every major group of insects found in North America north of Mexico.

    The 762 full-color identification photographs show the mushrooms as they appear in natural habitats. Organized visually, the book groups all mushrooms by color and shape to make identification simple and accurate in the field, while the text account for each species includes a detailed physical description, information on edibility, season, habitat, range, look-alikes, alternative names, and facts on edible and poisonous species, uses, and folklore. A supplementary section on cooking and eating wild mushrooms, and illustrations identifying the parts of a mushroom, round out this essential guide.

    They exhibit an array of seasonal plumages and have distinctive yet oft-confused calls and songs. "The Warbler Guide" enables you to quickly identify any of the 56 species of warblers in the United States and Canada. This groundbreaking guide features more than 1,000 stunning color photos, extensive species accounts with multiple viewing angles, and an entirely new system of vocalization analysis that helps you effectively learn songs and calls."The Warbler Guide" revolutionizes birdwatching, making warbler identification easier than ever before. Also look for the interactive companion apps for iPhone and iPad.Covers all 56 species of warblers in the United States and Canada Visual quick finders help you identify warblers from any angle Song and call finders make identification easy using a few simple questions Uses sonograms to teach a new system of song identification that makes it easier to understand and hear differences between similar species Detailed species accounts show multiple views with diagnostic points, direct comparisons of plumage and vocalizations with similar species, and complete aging and sexing descriptions New aids to identification include song mnemonics and icons for undertail pattern, color impression, habitat, and behavior Includes field exercises, flight shots, general identification strategies, and quizzes

    Full-color illustrated guide to identifying 200 Western mushrooms by their key features.

    Reptiles & Amphibians features: ¸ Background information on evolution, anatomy, physiology, habitats, and life cycles of a range of reptile and amphibian families. ¸ A detailed look at how reptiles and amphibians survive-how they eat, move around, defend themselves, and combat temperature extremes. ¸ Examinations of metamorphosis, growth and longevity, and vocalization techniques. ¸ Practical advice on how to responsibly study reptiles and amphibians in the wild or care for them as pets. ¸ An identification guide to more than 160 of the most fascinating herpetological species from around the world, organized by environment. ¸ More than 300 full-color photos and illustrations.