"The Birder's Bible" for over sixty years. All the birds of eastern and central North America--including accidentals, exotics, and escapes--shown in full color and described in detail. 390 complete, easy-to-read range maps showing summer and winter ranges, breeding grounds, and other special range information. Easy-to-use facing-page format.

    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.

    Now in its 4th Edition, revisions include 250 updated range maps, and new classification information National Geographic is reissuing the Field Guide to the Birds of North America in the 4th edition, focusing on its accuracy and easy use in the field. This is the ultimate birders field guide - sturdy, easy to carry and use, and featuring the most complete information among bird guides. It features all species known to breed in North America, including those that are regular visitors to our continent or that drop in occasionally - more than 800 in all. The edition is lavishly illustrated with specially commissioned full-colour illustrations, plus newly updated range maps and detailed descriptions. A superb new index allows birders in the field to quickly identify a species.

    This field guide is divided into two large sections -- one devoted to minerals and one to rocks, each prefaced by a comprehensive introduction that discusses formation, chemistry, and more. All 377 entries, beautifully illustrated with color photographs and helpful visual symbols, provide descriptions and practical information about appearance, classification, rarity, crystal formation, mode of occurrence, gravity of mineral, rock chemistry, modal classification fields, formational environments, grain sizes of rocks, and much more. Whether you are a serious collector or an information-seeking amateur, this incomparably beautiful, authoritative guide will prove an invaluable reference.

    More than 2,000 stunning images show these trees in their natural habitats. Other features include: a unique identification tip for each tree; range maps showing distribution in North America; How to Identify a Tree section; a detailed glossary of tree parts and leaf, fruit, flower, and bark types; essays on ecology, conservation, and North America’s important forest types; plus a complex species and quick-flip indexes. The guide’s unique waterproof cover makes it especially valuable for use in the field.

    With meticulous illustrations and detailed descriptions of plants and animals found in every corner of the continent, this newly updated and revised edition is the perfect companion in the field and a storehouse of information for the armchair naturalist or student.

    Science and politics collide in this thrilling account of America's struggle for protection against the deadly threat of violent weather. Warnings tells the dramatic true stories of the unsung weather warriors who save innocent lives, often by risking their own.

     Where do clouds come from? Why do they look the way they do? And why have they captured the imagination of timeless artists, Romantic poets, and every kid who's ever held a crayon? Journalist and lifelong sky watcher Gavin Pretor-Pinney reveals everything there is to know about clouds, from history and science to art and pop culture. Cumulus, nimbostratus, and the dramatic and seemingly surfable Morning Glory cloud are just a few of the varieties explored in this smart, witty, and eclectic tour through the skies. Generously illustrated with striking photographs and line drawings featuring everything from classical paintings to lava lamps, children's drawings, and Roman coins, The Cloudspotter's Guide will have science and history buffs, weather watchers, and the just plain curious floating on cloud nine.

    Mushroom authority David Arora provides a beginner's checklist of the 70 most distinctive and common mushrooms, plus detailed chapters on terminology, classification, habitats, mushroom cookery, mushroom toxins, and the meanings of scientific mushroom names. Beginning and experienced mushroom hunters everywhere will find MUSHROOMS DEMYSTIFIED a delightful, informative, and indispensible companion.

    There's no need to look through dozens of photos of birds that don't live in Minnesota. This book features 111 species of Minnesota birds, organized by color for ease of use. Do you see a yellow bird and don't know what it is? Go to the yellow section to find out. Fact-filled information, a compare feature, range maps and detailed photographs help to ensure that you positively identify the birds that you see.

    Was this forest once farmland? Was it logged in the past? Was there ever a major catastrophe like a fire or a wind storm that brought trees down?Now Wessels takes that wonderful ability to discern much of the history of the forest from visual clues and boils it all down to a manageable field guide that you can take out to the woods and use to start playing forest detective yourself. Wessels has created a key—a fascinating series of either/or questions—to guide you through the process of analyzing what you see. You’ll feel like a woodland Sherlock Holmes. No walk in the woods will ever be the same.

    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.

    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.

    

    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.