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Showing 1 - 11 of 11 matches in All Departments
A lavishly illustrated guide to the world's turtles that covers every family and genus Turtles of the World reveals the extraordinary diversity of these amazing reptiles. Characterized by the bony shell that acts as a shield to protect the softer body within, turtles are survivors from the time of the dinosaurs and are even more ancient in evolutionary terms than snakes and crocodilians. Of more than 350 species known today, some are highly endangered. In this beautiful guide, turtle families, subfamilies, and genera are illustrated with hundreds of color photographs. Each genus profile includes a population distribution map, a table of information, and commentary that includes notable characteristics and discussion of related species. More than 250 beautiful color photos Each profile features a distribution map, table of information, and commentary Broad coverage includes every family and genus
The name "snapping turtle" conjures up images of powerful, prehistoric-looking beasts that lurk in the dark waters of local swimming holes. Beyond its status as childhood legend, Chelydra serpentina is one of the most interesting reptiles of the New World. One of our largest turtles, this animal weighs up to thirty-five pounds, lays as many as one hundred eggs and can deliver a nasty bite. Due to its wide distribution, abundance, and large reproductive output, the snapping turtle has become one of the most extensively studied species of reptiles. This volume synthesizes all that is known about the common snapping turtle to provide an up-to-date and comprehensive resource on the species' evolution, physiology, behavior, and life history. Anthony C. Steyermark, Michael S. Finkler, Ronald J. Brooks, and a team of experts detail the systematics, energetics, growth patterns, sex determination, and population genetics of snapping turtles and devote special attention to the fossil record of the snapping turtle family Chelydridae. The first broad biological treatment of the common snapping turtle, this is the definitive reference for anyone working with or interested in this fascinating reptile. Contributors: Ralph A. Ackerman, Iowa State University; Abdulaziz Y. A. AlKindi, Sultan Qaboos University; Barbara A. Bell, Drexel University; Ronald J. Brooks, University of Guelph; Justin D. Congdon, Savannah River Ecology Lab; Carl H. Ernst, George Mason University; Michael A. Ewert, Indiana University Bloomington; Michael S. Finkler, Indiana University Kokomo; Matthew K. Fujita, University of California, Davis; Eugene S. Gaffney, American Museum of Natural History; David A. Galbraith, Royal Botanical Gardens; Robert E. Gatten, Jr., University of North Carolina at Greensboro; Judith L. Greene, Savannah River Ecology Lab; J. Howard Hutchison, University of California, Berkeley; John B. Iverson, Earlham College; Fredric J. Janzen, Iowa State University; Jason J. Kolbe, Washington University; David B. Lott, Clarion University of Pennsylvania; Ibrahim Y. Mahmoud, Sultan Qaboos University; Don Moll, Southwest Missouri State University; Scott A. Reese, Kennesaw State University; Todd A. Rimkus, Marymount University; H. Bradley Shaffer, University of California Davis; James R. Spotila, Drexel University; David E. Starkey, University of Central Arkansas; Anthony C. Steyermark, University of St. Thomas; Gordon R. Ultsch, University of Alabama; Nigel H. West, University of Saskatchewan
Frogs are amazingly diverse--ranging from the massive goliath frog, which weighs several pounds, to the recently discovered gold frog, which measures a mere three-eighths of an inch when fully grown--and have inhabited the earth for more than 200 million years. Today, however, these amphibians face more challenges than any other vertebrate group. In this fun and informative book, herpetologists Mike Dorcas and Whit Gibbons answer common and not-so-common questions people may have about these fascinating animals. Dorcas and Gibbons discuss how frogs evolved, which species currently exist in the world, and why some have recently gone extinct. They reveal what frogs eat and what eats them, their role in cultures across the globe, why many populations are declining and what we can do to reverse this dangerous trend, why there are deformed frogs, and much more. They answer expected questions such as "What is the difference between a frog and a toad?" and "Why do some people lick toads?" and unexpected ones such as "Why do some frogs lay their eggs in the leaves of trees?" and "Do frogs feel pain?" The authors' easy-to-understand yet thorough explanations provide insight into the amazing biology of this amphibian group. In addressing conservation questions, Dorcas and Gibbons highlight the frightening implications of the current worldwide amphibian crisis, which many scientists predict will bring extinction rates experienced by frog species to levels not seen in any vertebrate animal group in millions of years. Packed with facts and featuring two color galleries and 70 black-and-white photographs, "Frogs: The Animal Answer Guide" is sure to address the questions on the minds of curious naturalists.
Describing 102 species of salamanders occurring in the southeastern
United States, ecologists Joe Mitchell and Whit Gibbons provide us
with the most comprehensive and authoritative, yet accessible and
fun-to-read, guide to these often secretive, always fascinating
wonders of nature.
This title features race runners, spiny tails, caimans, and more. This heavily illustrated, lively, and accessible guide covers twenty native and thirty-nine introduced species of lizards and crocodilians found in the Southeast. Introductory chapters cover the biodiversity of lizards and crocodilians both regionally and globally and discuss lizard and crocodilian life cycles, morphology, habitats, diets, and behaviors. Illustrated, fact-filled descriptions of each species and its habitat comprise the heart of the book. The accounts include a physical description of the species plus information about distribution and habitat, behavior and activity, food and feeding, reproduction, predators and defense, and conservation status. Variations within each species are noted as are taxonomic questions, many of which have arisen because of recent advances in genetic techniques. Useful information about human interaction with these animals is also covered: how to observe them, how to ensure the survival of native species, how to properly care for pet lizards, and more. Interspersed throughout the book are ""Did You Know?"" boxes to answer frequently asked questions and to provide interesting facts. Clearly written, cleanly designed, and fun to use, this guide will promote a better understanding of the habitat needs of and challenges to this fascinating group of animals. It features: in-depth descriptions of both native and introduced species; conservation-oriented approach; approximately 330 color photographs; approximately 18 distribution maps (for native species only); 'Did You Know?' sidebars of interesting facts, size charts, key identifiers, and information about distribution and habitat, behavior and activity, food and feeding, reproduction, predators and defense, variation and taxonomy, and conservation, as well as chapters on lizard and crocodilian biodiversity and on human interactions with lizards and crocodilians.
Fifty-two kinds of snakes can be found in the Southeast, almost half of all species native to North America. Filled with more than 300 color photographs and written by two of the region's most renowned herpetologists, this is the most comprehensive educational guide to the Snakes of the Southeast. At the heart of the guide are its heavily illustrated, fact-filled descriptions of each species and its habitat. Also included is a wealth of general information about the importance of snake conservation and the biology, diversity, and life cycles of snakes. Useful information about the interactions of humans and snakes is also covered: species that are likely to be found near houses, snakes as pets, what to do in case of a snake bite, and more.Clearly written, cleanly designed, and fun to use, the guide will promote a better understanding of the habitat needs of, and environmental challenges to, this fascinating group of animals.Features: Conservation-oriented approach Over 300 color photographs Nearly 50 distribution maps Clear descriptions of each species, including differences in the appearance of young and mature snakes Size charts, key identifiers (scales, body shape, patterns, and color), descriptions of habitat, behavior and activity, food and feeding, reproduction, predators and defense, and conservation
With scholarly expertise and infectious enthusiasm, Whit Gibbons explores the many pieces that support our natural environment. Whether describing caterpillar disguises, fish that produce antifreeze, the mutual reliance of rhinoceroses and Trewia trees, or the origins of tumbleweed, he affirms the delicate and intricate biological relationships between species and encourages a deeper knowledge of our natural world. In these essays Gibbons celebrates the beauty of biodiversity and laments the tragedy of "ecovoids," a term he coined to describe missing components of our environment that we wish were still present but can never be replaced.
Seventy-five percent of the turtle species in the United States can be found in the Southeast. In fact, the region is second only to parts of Asia in its number of native turtles. Filled with more than two hundred color photographs and written with a special focus on conservation, this guide covers forty-five species of this nonthreatening, ancient lineage of long-lived reptiles.Heavily illustrated, fact-filled descriptions of each species and its habitat comprise the heart of the book. Species accounts cover such information as descriptions of adults and hatchlings; key identifiers including size, distinctive characters and markings; land, river, pond, and wetland habitats; behaviors and activities; food and diet; reproduction; predators and defense; and conservation issues.Also included is a wealth of general information about the importance of turtle conservation and the biology, diversity, and life history of turtles. Discussed are distinguishing turtle characteristics; differences among turtles, tortoises, and terrapins; shell structure and architecture; reproduction and longevity; turtle predators and defense mechanisms; and turtle activities such as basking, hibernation, aestivation, and seasonal movement. Useful information about the interactions of humans and turtles is also covered: species that are likely to be commonly encountered, turtles as pets, and more.Clearly written, cleanly designed, and fun to use, the guide will promote a better understanding of the habitat needs of, and environmental challenges to, this fascinating group of animals.It provides in-depth descriptions of the forty-two native species. It presents a conservation-oriented approach. It contains more than two hundred color photographs. It includes nearly forty distribution maps. It offers clear descriptions of each species, including differences in the appearance of young and mature turtles. It includes ""Did You Know?"" sidebars of interesting turtle facts. It contains size charts; key identifiers; and information about habitat, behavior and activity, food and feeding, reproduction, predators and defense, and conservation.
Most people think of pythons as giant snakes in distant tropical jungles, but Burmese pythons, which can reach lengths of over twenty feet and weigh over two hundred pounds, are now thriving in southern Florida. These natives of Asia are commonly kept as pets and presumably escaped or were released in the Everglades. Pythons are now common in this region; widespread throughout hundreds of square miles, they are breeding and appear to be expanding their range. Pythons are voracious predators that feed on a variety of native wildlife including wading birds, bobcats, white-tailed deer, and even alligators. Their presence has drawn dramatic media attention and stoked fears among the public that pythons may threaten not just native species but humans as well. Despite this widespread concern, information on pythons has been limited to a few scientific publications and news coverage that varies widely in fact and accuracy. With Invasive Pythons in the United States, Michael E. Dorcas and John D. Willson provide the most reliable, up-to-date, and scientifically grounded information on invasive pythons. Filled with over two hundred color photographs and fifteen figures and maps, the book will help general readers and the scientific community better understand these fascinating animals and their troubling presence in the United States.
This is the only comprehensive guide to the state's diverse herpetofauna.A hidden world of amphibians and reptiles awaits the outdoor adventurer in Georgia's streams, caves, forests, and wetlands. ""Amphibians and Reptiles of Georgia"" makes accessible a wealth of information about 170 species of frogs, salamanders, crocodilians, lizards, snakes, and turtles. Throughout, the book stresses conservation, documenting declines in individual species as well as losses of local and regional populations.Color photographs are paired with detailed species accounts, which provide information about size, appearance, and other identifying characteristics of adults and young; taxonomy and nomenclature; habits; distribution and habitat; and reproduction and development. Typical specimens and various life stages are described, as well as significant variations in such attributes as color and pattern. Line drawings define each group's general features for easy field identification. Range maps show where each species occurs in Georgia county by county, as well as in the United States generally. State maps depict elevations, streams, annual precipitation, land use changes, physiographic provinces, and average temperatures.The book includes a checklist, a chart of the evolutionary relationships among amphibians and reptiles, a list of the top ten most reported species by major group, and a table summarizing the diversity of amphibians and reptiles in the state's five physiographic provinces. ""Amphibians and Reptiles of Georgia"" is an authoritative reference for students, professional herpetologists, biologists, ecologists, conservationists, land managers, and amateur naturalists.It features nearly 500 color photographs. It contains 24 line drawings showing each group's defining features. It includes almost 200 range maps detailing county-by-county distribution. It contains detailed species accounts written by 54 regional experts, which provide information on size, appearance, and other identifying characteristics of adults and young; taxonomy and nomenclature; habits; distribution and habitat; and reproduction and development. It includes introductory sections, providing overviews of physiography, climate, and habitats of Georgia, the Georgia Herp Atlas Project, taxonomic issues, conservation, and herpetology as a science and a career.
This book covers bog frogs, spring peepers, and more.With more than forty native and introduced species of frogs and toads occurring in the southeastern United States, the region represents the heart of frog and toad diversity in the country. Renowned herpetologists Mike Dorcas and Whit Gibbons provide us with the most comprehensive and authoritative, yet accessible and fun-to-read, guide to these sometimes wet, sometimes warty wonders of nature.Dorcas and Gibbons enumerate the distinguishing characteristics of frogs and toads, including how they are different from other amphibians and the differences between a frog and a toad. Also discussed are the morphology of frogs and toads, the main groups to be found in the Southeast, and their habitats. Individual species accounts contain a physical description of the species plus information about distribution and habitat, behavior and activity, food and feeding, predators and defense, calls and vocalizations, reproduction and description of eggs and tadpoles, and conservation. Accompanying each account are photographs illustrating typical adults and variations and distribution maps for the Southeast and the United States.Given the recent worldwide decline in amphibian populations and increasing scientific and popular concern for what these declines mean for all other organisms, ""Frogs and Toads of the Southeast"" will appeal to people of all ages and levels of knowledge interested in natural history and conservation. The guide will help foster the growing interest in frogs and toads as well as cultivate a desire to protect and conserve these fascinating amphibians and their habitats.It provides a conservation-oriented approach. It includes approximately 250 color photographs. It contains approximately 45 distribution maps. It provides a clear description and photographs of each species in both tadpole and adult stages. It includes chapters on identification, vocalizations, reproduction, global diversity (including remarkable species such as the gastric brooding frog, poison dart frogs, and saltwater frogs), and introduced species.
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