Accompanying range maps; overhead flight silhouettes; and sections on bird-watching, accidental species, and endangered birds make the National Audubon Society's Field Guide to North American Birds the most comprehensive available.Note: the Eastern Edition generally covers states east of the Rocky Mountains, while the Western Edition covers the Rocky Mountain range and all the states to the west of it.

    It features a durable vinyl biding, color plates visually arranged by shape and color, and thumb-tab silhouettes for quick and easy identification of butterflies in the field. The species account for each butterfly provides measurements, descriptions of each stage of the life cycle, and information on coloring or distinguishing markings, flight period, habitat, and range.

    Descriptive text includes measurements, diagnostic details, and information on habitat, range, feeding habits, sounds or songs, flight period, web construction, life cycle, behaviors, folklore, and environmental impact. An illustrated key to the insect orders and detailed drawings of the parts of insects, spiders, and butterflies supplement this extensive coverage.

    "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.

    The guide has been completely revised to make identification in the field easier than ever. Images are grouped by flower color and shape and keyed to clear, concise descriptions that reflect current taxonomy.

    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.

    The National Audubon Society Field Guide to the Night Sky provides a concise guided tour of the heavens, from planets in our solar system to the constellations in both the Northern and Southern hemispheres, stars, galaxies, astronomical bodies, phenomena, comets, and more. Featuring a durable vinyl binding, over 700 full-color photographs, sky charts, and constellation charts, as well as detailed descriptive text, this comprehensive, easy-to-use field guide is the perfect companion volume for any stargazer.

    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.

    The Birder's Handbook is the first of its kind: a portable library of fascinating information not included in your identification guide. For each of the 646 species of birds that breed in North America, The Birder's Handbook will tell you at a glance: * Where the bird nests, and which sex(es) build(s) the nest;* How many eggs the bird lays, what they look like, which patent incubates and for how long, and how the young are cared for;* Food preferences and foraging habits.You will also find information about displays and mating, wintering, conservation status, and much more. In addition, The Birder's Handbook contains some 250 short essays covering all aspects of avian natural history.

    Now comes a new portable guide from David Sibley that every birder will want to carry into the field. Compact and comprehensive, this new guide features 703 bird species plus regional populations found west of the Rocky Mountains. Accounts include stunningly accurate illustrations—more than 4,600 in total—with descriptive caption text pointing out the most important field marks. Each entry contains new text concerning frequency, nesting, behavior, food and feeding, voice description, and key identification features. Accounts also include brand-new maps created from information contributed by 110 regional experts across the continent. The Sibley Field Guide to Birds of Western North America is an indispensable resource for all birders seeking an authoritative and portable guide to the birds of the West.

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

    Each portrait includes full-color original artwork; details on identification, habitat, nesting, and food; and a color-coded range map.

    Its pages contain 1,200 colour illustrations, plus seven comparison spreads, with comprehensive text on identification, habitats, food, breeding and conservation, and accurate range maps. In addition, the epub edition features songs, calls and other sounds from each species, making this the ultimate one-stop resources for anyone interested in identifying and learning more about the birds they see.This collection of images and sounds represents a step change in the way birdwatchers operate. No more carrying heavy books into the field; no more trying to remember sounds days later, while all other methods for taking sounds into the field are consigned to the dustbin.The RSPB Handbook of British Birds e-book provides a complete field-based ID solution – no birdwatcher will want to be without it.(Note: Audio may not play on all devices. Please check your user manual for details).

    Illustrated throughout, this handbook of birds covers the most common British and European birds in detail.

    The descriptive text includes information on size, geological period, geographical distribution, and ecology of the animal or plant before it was fossilized. In addition, the book provides lists of Geological Survey offices and major fossil collections, a geological time chart, and a guide to collecting and preserving fossils.