All 933 identification pictures are full-color photos of significant details of virtually all native trees and many cultivated species as you see them in their natural habitat.

    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.

    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 Western Edition covers the Rocky Mountain range and all the states to the west of it, while the Eastern Edition generally covers states east of the Rocky Mountains.

    The 378 dramatic photographs capture cloud types, precipitation, storms, twisters, and optical phenomena such as the Northern Lights. Essays with accompanying maps and illustrations discuss the earth's atmosphere, weather systems, cloud formation, and development of tornadoes and many other weather events.

    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.

    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.

    This compact volume contains:An easy-to-use field guide for identifying 1,000 of the state's wildflowers, trees, mushrooms, mosses, fishes, amphibians, reptiles, birds, butterflies, mammals, and much more;A complete overview of Florida's natural history, covering geology, wildlife habitats, ecology, fossils, rocks and minerals, clouds and weather patterns and night sky;An extensive sampling of the area's best parks, preserves, beaches, forests, islands, and wildlife sanctuaries, with detailed descriptions and visitor information for 50 sites and notes on dozens of others.The guide is packed with visual information -- the 1,500 full-color images include more than 1,300 photographs, 14 maps, and 16 night-sky charts, as well as 150 drawings explaining everything from geological processes to the basic features of different plants and animals. For everyone who lives or spends time in Florida, there can be no finer guide to the area's natural surroundings than the National Audubon Society Field Guide to Florida.

    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.

    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.

    794 full-color photographs depict all the important rocks, gems, and minerals -- in many variations of color and crystal form -- and the natural environments in which they occur; written descriptions provide information on field marks, similar rocks and minerals, environment, areas of occurrence, and derivation of names. Includes a guide to mineral collecting and a list of rock-forming minerals

    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.

    Written by a team of experts and featuring more than 320 illustrations, 418 photographs, and 123 maps, this new guide offers more authoritative, up-to-date, and accessible information than any book previously published on the subject.Organized by the four major groups of marine mammals—marine fissipeds, pinnipeds, cetaceans, and sirenians—the species descriptions include:Full-color paintings, some depicting males and females, juveniles, subspecies, or special features. Color photographs showing appearance in the wild and illustrating typical behaviors. Life history data, including length and weight at various life stages, and life span. Range and habitat text and a full-color range map based on the most current information. Facts about social organization, surface behaviors, swimming, and diving. Information on mating behavior, breeding, and the rearing of young. Details about food items and foraging techniques. Estimates of population in the wild, plus current and historic threats.A general introduction outlines the evolution and taxonomy of marine mammals, distribution, migration, watching guidelines, identification techniques, organizations and laws that protect marine mammals, and more.Introductions to groups include comparative size illustrations, discussion of behaviors particular to the group, and other unique features.A useful illustrated glossary of terms and an index of species names complete the guide.Exquisitely detailed illustrations, stunning photographs, and clearly written text combine to make this an indispensible reference source for marine mammal watchers and anyone interested in the natural world.

    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.

    A color wildflower identification guide is included in the 20 pages of color photos. The back of the book includes brief descriptions of 109 more hikes.