With a wide variety of habitats ranging from southeastern swamps to western deserts, Texas is home to numerous species of frogs, toads, and salamanders. Each area of Texas has a particular set of species that has evolved there over thousands of years. Indeed, most amphibians are not very mobile, and many live their entire lives within a few square meters. This makes them particularly vulnerable to environmental degradation and habitat destruction. Texas Amphibians is the only field guide focused exclusively on the state's frogs, toads, and salamanders. It presents brief, general accounts of the two orders and fifteen families. Then it identifies each of the seventy-two species in detail, including size, description, voice (if applicable), similar species, distribution (with maps), natural history, reproduction, subspecies (if applicable), and comments and conservation information. Color photographs illustrate the species. The book also includes a general introduction to amphibian natural history, conservation, observation and collection, maintenance in captivity, museum and preserved specimens, and scientific and common names, as well as scientific keys to Texas salamanders and frogs and a generic key to amphibian larvae. This wealth of information, compiled by a team of experts who collectively have over a century of experience in field herpetology, will increase our appreciation for amphibians and the vital role they play as an early indicator of threats to the quality of the environment that we all share.

Archie Carr, one of the greatest biologists of the twentieth century, played a leading part in finding a new and critical role for natural history and systematics in a post-1950s world dominated by the glamorous science of molecular biology. With the rise of molecular biology came a growing popular awareness of species extinction. Carr championed endangered sea turtles, and his work reflects major shifts in the study of ecology and evolution. A gifted nature writer, his books on the natural history of sea turtles and their habitats in Florida, the Caribbean, and Africa entertained and educated a wide audience. Carr's conservation ethic grew from his field work as well as his friendships with the fishermen who supplied him with many of the stories he retold so engagingly. With Archie Carr as the focus, The Man Who Saved Sea Turtles explores the evolution of the naturalist tradition, biology, and conservation during the twentieth century.

Key features: Presents a contemporary snapshot of the mechanisms underlying the evolution and adaptation of behavior Explores how genetics, epigenetics, development, and environment shape behavior Discusses a broad range of behavioral repertoires and responses, including those related to thermoregulatory, foraging, predatory, displaying, social and escape strategies. Examines physiological and sensory mechanisms Covers the effects of various aspects of global change on behavior, with chapters that focus on the impacts of climate change on hydroregulatory behavior and behavioral responses to the effects of habitat alteration resulting from human-mediated change and colonization by invasive species. Lizards serve as focal organisms for many of biological questions related to evolution, ecology, physiology, and morphology. They are studied at multiple spatial and temporal scales, from the individual to the community level. This book, authored by expert contributors from around the world, explores behaviors underlying the evolution and adaptation of these organisms. It covers conceptual, empirical, and methodological approaches to the understanding of the role that natural and sexual selection play in molding the behavioral traits of lizards. This thorough, illustrated reference should stimulate discussion of the conceptual and methodological approaches for studying the behavioral traits of these fascinating and highly diverse vertebrates.

This book has three primary themes: identification, natural history, and conservation. This is the first guide yet produced to the amphibians and reptiles of New York State, a large and heavily populated state that hosts a surprisingly diverse and interesting community of amphibians and reptiles. The book presents the results of the New York State Amphibian and Reptile Atlas for the first time (a compilation of ~60,000 distributional records collected 1990-1999); thus, the volume is a repository for detailed distributional data on the 69 species native to the state. The book presents in-depth species accounts based on the six authors' decades of collective experience as teachers, researchers and conservationists. Supporting chapters focus on the biology of amphibians and reptiles, New York's environment, finding and studying these creatures, and the rich folklore of New York State as it pertains to amphibians and reptiles, particularly rattlesnakes. A heavy emphasis on conservation biology of amphibians and reptiles sets the book apart from any comparable volume yet produced in the United States. To this end, chapters on threats, legal protections, habitat conservation guidelines, and conservation case studies are presented. An expanded color insert presents striking photographs contributed by over 30 photographers. The book is intended for use by natural history buffs generally interested in the vertebrate animals of New York and adjoining regions (Pennsylvania, Connecticut, New Jersey, Massachusetts, Vermont, Quebec and Ontario), students in the many herpetology, vertebrate biology, and natural history courses offered at colleges and field stations in the northeast, public and college libraries, and natural resource professionals interested in learning more about approaches to conserving reptiles and amphibians.

This book accompanies Infectious Diseases and Pathology of Reptiles, Second Edition to cover noninfectious diseases of reptiles, meeting the need for a similar, authoritative single-source reference. The volume features color photos of normal anatomy and histology, as well as gross, light, and electron microscopic imagery of diseases. Subjects range from neoplasia, nutrition, and metabolic disease, and deposition disorders to developmental anomalies, trauma, and physical diseases, and the unique contribution of paleopathology and diseases of bone. Each chapter is supported by numerous figures, many of which are unique and cannot be found in the published literature. Readers will note that some of the chapters are based on organ system, a trend that will continue into the next edition to encompass all of the basic organ systems. This book holds the most information ever accrued into one publication on noninfectious diseases and pathology of this class of animals, providing information on every aspect of the anatomy, pathophysiology, and differential diagnosis. With up-to-the-minute data, a never-before-seen collection of images, and a stellar panel of contributors, Noninfectious Diseases and Pathology of Reptiles is the definitive resource for veterinarians, biologists, and researchers involved in the study of reptile diseases.

RSPB Spotlight: Snakes is packed with eye-catching, informative colour photos, and features succinct, detailed text written by a knowledgeable naturalist. Snakes are superbly secretive reptiles, celebrated by many for their highly tuned senses and their complex and mysterious seasonal behaviours. Though some people may be fearful of them, these important reptiles play a crucial role in many habitats. And an encounter with any one of our native snake species is an experience worth cherishing. In Spotlight Snakes, Jules Howard takes readers on a journey through the ecology and lifestyle of Britain's three native snake species: the Barred Grass Snake, the Smooth Snake and our only venomous snake species, the Adder. As well as uncovering their unique hunting styles and courtship rituals, he delves into the myths and legends at the heart of humankind's widespread and sometimes troublesome fascination with these animals. He also charts the conservation challenges our native snakes face in the modern age and explores the solutions conservationists are employing to help these extraordinary predators remain a vital part of British ecosystems for generations to come. The Spotlight series introduces readers to the lives and behaviour of our favourite animals with eye-catching colour photographs and informative expert text.

The aim of this study was to investigate the development and diffferentiation of the adrenal glands in the grass snake during early stages of ontogenesis. After light microscopy and ultrastructural investigation, six developmental phases were distinguished in the grass snake adrenal glands. Similar developmental phases were described in pig embryos but they slightly differ from those presented above. In reptile and mammal embryos a similar direction of changes is observed in primaordia of both tissues forming adrenal glands.

A fascinating look at the diamond-backed terrapin-an important, iconic, and imperiled American reptile. The diamond-backed terrapin is not only a uniquely evolved and beautiful turtle, it also has a long history as a vital American food source. Once so numerous that people reportedly grew tired of eating them, diamond-backed terrapins are greatly reduced in numbers today and have become an icon of salt marsh conservation. Considerably diminished in some areas and struggling to survive, this distinctive brackish water turtle is the focus of intense conservation efforts. In Ecology and Conservation of the Diamond-backed Terrapin, leading terrapin researcher Willem M. Roosenburg and experienced science editor Victor S. Kennedy have brought together a group of expert scientists to summarize our current understanding of terrapin biology, physiology, behavior, and conservation efforts. Over the course of 19 comprehensive chapters, contributors * review the latest information on this charismatic species * provide a detailed summary of the terrapin's natural history * explain the threats to terrapin population stability throughout their range * examine ongoing conservation efforts to ensure the reptile's survival * present convincing arguments for the value of the diamond-backed terrapin as an estuarine indicator organism * use the terrapin as a model for studying the consequences of exploitation and environmental degradation on long-lived species This exceptional book provides pivotal information for estuarine and turtle biologists, terrapin enthusiasts, natural historians, educators, conservationists, resource managers, and students. Ecology and Conservation of the Diamond-backed Terrapin is the definitive volume on this important American reptile. Contributors: Benjamin K. Atkinson, Harold W. Avery, Patrick J. Baker, Ralph E.J. Boerner, Russell L. Burke, Joseph A. Butler, Randolph M. Chambers, Paul E. Converse, Brian A. Crawford, Rusty D. Day, Dana J. Ehret, J. Whitfield Gibbons, Kathryn M. Greene, Leigh Anne Harden, Andrew S. Harrison, Kristen M. Hart, George L. Heinrich, Dawn K. Holliday, Victor S. Kennedy, Shawn R. Kuchta, Lori A. Lester, Jeffrey E. Lovich, John C. Maerz, David Owens, Allen R. Place, Taylor Roberge, Willem M. Roosenburg, Richard A. Seigel, Amanda Southwood Williard, Edward A. Standora, Anton D. Tucker, Diane C. Tulipani, Timothy J. Walsh, Thane Wibbels, Will Williams, Roger C. Wood

Sea turtles have existed for millions of years, making them fascinating subjects of study. In the last 20 years, the science of sea turtle biology has expanded at an exponential rate, leading to major advances in many areas. This book synthesizes the results of these advances and focuses on how these endangered marine reptiles operate in, adapt to, and are dependent upon particular features of their marine environment. New technology in data gathering, such as DNA analyses, remote sensing, and physiological monitoring techniques, has led to a much greater understanding of the biology of the sea turtle at all stages of their life history.
Areas of advancement discussed in The Biology of Sea Turtles include:
o Population genetics and phylogeny
o Sensory biology
o Migration and orientation hatchling behavior
o Age and growth
o Reproduction and endocrinology sex determination
o Diving physiology
o Osmoregulation
The book also addresses the endangered status of sea turtles and deals with threats to their survival posed by man-made changes to ocean and coastal zones. The first book of its kind, The Biology of Sea Turtles fills a substantial void in the literature, and will be of great value and interest to marine biologists, environmentalists, and conservationists.

Sasol Eerste Veldgids tot die Paddas van Suider-Afrika is ’n interessante gids tot die paddas van die streek. Volkleurfoto’s, verspreidingskaarte en verstaanbare teks sal nuwelinge en aspirantnatuurkenners help om die algemeenste paddaspesies in Suider-Afrika uit te ken, te ontdek waar hulle voorkom en te leer van hul unieke gedrag en buitengewone eienskappe.

Drawing on the latest scientific research, the authors introduce the book with a discussion of reptile identification, diversity, biology, distribution patterns, and where to find and observe them, as well as unraveling the facts and fallacies of snakebites.

Written in a lively and accessible way, the subsequent chapters offer insight into: -Identification to group level, with an inclusive list of related species-A detailed description of appearance, together with colorful images-Biology and behavior of each group-Conservation status of species-Reproduction details-DistributionInformative panels provide key information at a glance, with a distribution map and clear icons giving typical habitat and period of activity.

A wealth of full-color photographs throughout brings the subject matter vividly to life.

This book will appeal to all wildlife enthusiasts, both professional and amateur, and will prove to be a valuable guide in the field.

Q: How do geckos walk across ceilings? A: Millions of hair-like setae on each foot.

Q: Where do geckos come from? A: Throughout the world. Usually where it's warm.

Q: How many species of geckos are there? A: Close to 1,500 and counting

Q: What do they eat? A: Insects mostly.

Discover the biology, natural history, and diversity of geckos--the acrobatic little lizards made famous by a car insurance ad campaign. Lizard biologist and gecko expert Aaron Bauer answers deceptively simple questions with surprising and little-known facts. Readers can explore color photographs that reveal the natural wonder and beauty of the gecko form and are further informed by images of how geckos live in their natural habitats. Although written for nonexperts, "Geckos" also provides a carefully selected bibliography and a new list of all known species that will be of interest to herpetologists. Anyone who owns a gecko, has seen them in the wild, or has wondered about them will appreciate this gem of a book.

815 species of amphibian have been described on the African continent – 788 frogs, 23 caecilians and four salamanders. Field Guide to the Frogs & other Amphibians of Africa is the first guide ever to cover all these species.

The book features a brief introduction with tips for handling and identifying amphibians. A useful illustrated guide to each family group serves as a first step towards species ID. Species accounts describe physical features, distribution, habitat, biology, advertisement calls and conservation status, and are supported by colour photographs and up-to-date distribution maps.

Field Guide to the Frogs & Other Amphibians of Africa will prove invaluable to nature lovers, tour guides, students and scientists.

Snakes comprise nearly 4,000 extant species found on all major continents except Antarctica. Morphologically and ecologically diverse, they include burrowing, arboreal, and marine forms, feeding on prey ranging from insects to large mammals. Snakes are strikingly different from their closest lizard relatives, and their origins and early diversification have long challenged and enthused evolutionary biologists. The origin and early evolution of snakes is a broad, interdisciplinary topic for which experts in palaeontology, ecology, physiology, embryology, phylogenetics, and molecular biology have made important contributions. The last 25 years has seen a surge of interest, resulting partly from new fossil material, but also from new techniques in molecular and systematic biology. This volume summarises and discusses the state of our knowledge, approaches, data, and ongoing debates. It provides reviews, syntheses, new data and perspectives on a wide range of topics relevant to students and researchers in evolutionary biology, neontology, and palaeontology.

Since the first volume of The Biology of Sea Turtles was published in 1997, the field has grown and matured in ways few of the authors would have predicted-particularly in the areas of physiology, behavior, genetics, and health. Volume III presents timely coverage of emerging areas as well as the integration of approaches and information that did not exist even a decade ago. The book assembles the foremost experts in each topic to provide the most up-to-date and comprehensive book on sea turtles available today. New areas covered include in vivo imaging of structure, spatial distributions of marine turtles at sea, epibiosis, imprinting, parasitology, and climatic effects. Life history is explored in three chapters covering age determination, predator-prey interactions, and mortality from bycatch. The Biology of Sea Turtles, Volume III will inspire scientists and students to explore and expand their understanding of these intriguing animals. The book provides clear baseline summaries, thoughtful syntheses, and effective presentation of the most fundamental topics spanning form and function, health, distributions, behavior, genetics, evolution, and ecology. Its scope and depth make it the definitive go-to reference in the field.

This is a lightweight and portable guide, partly adapted from the popular and highly acclaimed A Field Guide to the Reptiles of East Africa by the same authors. Covering the most prominent 150 reptiles and 80 amphibians found in the region (Kenya, Tanzania, Uganda, Rwanda and Burundi), with concise text, photograph and map for each, this is a convenient and attractive pocket guide for a diverse and often conspicuous and attractive group of animals.

This book presents perspectives on the past and present state of the understanding of snake origins. It reviews and critiques data and ideas from paleontology and neontology (herpetology), as well as ideas from morphological and molecular phylogenetics. The author reviews the anatomy and morphology of extant snakes. Methods are also critiqued, including those empirical and theoretical methods employed to hypothesize ancestral ecologies for snakes. The modern debate on squamate phylogeny and snake ingroup phylogeny using molecules and morphology is examined critically to provide insights on origins and evolution. Key Features Important major evolutionary transformation in vertebrate evolution Continuing historical debate in vertebrate paleontology Of wide interest to a core audience of paleontologists, herpetologists, and morphologists Author acknowledged as prominent contributor to debate over snake origins Based on remarkable well preserved fossil specimens

The literature on snakes is voluminous but overwhelmingly centered in the natural sciences, with little published about them in the fields of popular culture or the history of medicine. Focusing primarily on American culture and history from the 1800s, this study draws on a wide range of sources--including newspaper archives, medical journals, and archives from the Smithsonian Institute--to examine the complex relationship between snakes and humans.

"Life in Cold Blood" offers a rare glimpse into the peculiar world of amphibians and reptiles, the first vertebrate creatures to venture forth from the primeval waters millions of years ago, yet which today include species that are the most at risk of extinction. Join acclaimed naturalist Sir David Attenborough as he travels to the far corners of the Earth to tell the epic story of these animals in this companion to the television series. Discover the secrets of their astounding success--and the profound implications of their uncertain future.

Amphibians and reptiles once ruled the planet, and their descendants exhibit some of the most colorful variety and astounding behavior known to the animal kingdom. What are the origins of these creatures? How have they transformed themselves into the beautiful and bizarre forms found today? In this gorgeously illustrated book, Attenborough gets up close and personal with the living descendants of the first vertebrates ever to colonize the land, and through them traces the fascinating history of their pioneering ancestors. He explains the ways amphibians and reptiles have changed little from their prehistoric forebears while also demonstrating how they have adapted and evolved into diverse new forms, some of them beyond our wildest imaginings. And Attenborough raises awareness of the threats global warming and other man-made environmental changes pose to many of these creatures. "Life in Cold Blood" inspires a genuine sense of wonder about amphibians and reptiles and the marvels of the natural world around us.

South Africa has an inordinate wealth of plants and animals. It is a country of superlatives with an entire floral kingdom occurring within its borders. With a land surface area of only 2 per cent of the global landmass, it contains 10 per cent of the world's plants and between 6 and 7 per cent of the world's mammals, birds and reptiles. Not only does South Africa boast the greatest number of species of land tortoises of any place on Earth, it ranks fifth in the world with regard to overall number of reptile species. Such an array of reptiles, which at last count numbered 363 species, with more being described annually, shows an incredible range of adaptations enabling these remarkable creatures to live in extremes of climate from the high mountains to desert, from coast to coast and some even adapting to an urban environment. Despite this, the daily lives of most reptile species remain a closed book. Many species are cryptic, preferring not to be seen, while others display amongst the brightest colours in the animal kingdom. They range from very small species weighing less than a gram to the giant Nile crocodile, which may achieve a mass of 1 000 kg, and include some of the most poisonous species on the planet. It is indeed a treasure house. Remarkable Reptiles offers a glimpse into the fascinating world of snakes, lizards, chameleons, tortoises, terrapins and crocodiles and hopes to provide a greater insight into the behaviour of these often maligned animals. Many reptiles, especially snakes, receive unjust treatment because of attacks on humans, while anthropogenic causes, which are far more lethal, tend to be less emphasised. Hopefully this book will contribute to, and instil respect and interest in the remarkable diversity of reptiles with which South Africa has been blessed.

The third of a planned group of volumes dealing with reptilian nervous systems, Sensorimotor Integration focuses chiefly on visual and sensorimotor aspects of reptilian neurobiology. Chapters examine data for numerous species, drawing together the most current work and thinking on each topic and emphasizing results from recent studies. "This volume would be a valuable addition to any comparative anatomist's bookshelf, and one that should be of great interest to comparative neurobiologists and neuroanatomists alike."--Katherine V. Fite, Quarterly Review of Biology

This title now includes 30 additional species. Revised and updated to reflect the most current science, and including 30 new species, this authoritative and comprehensive volume is the definitive guide to the amphibians and reptiles of the Carolinas and Virginia. The new edition features 189 species of salamanders, frogs, crocodilians, turtles, lizards, and snakes, with updated color photographs, descriptions, and distribution maps for each species. It is an indispensable guide for zoologists, amateur naturalists, environmentalists, backpackers, campers, hikers, and everyone interested in the outdoors.

Watter slang is dit? is 'n maklike inleiding wat die beginner sal help om slange uit te ken.

Slange van die streek word volgens familietrekke, gemeenskaplike gedrag of voorkoms gegroepeer, en die leser word aangemoedig om die kenmerke van die groep te herken voordat op individuele spesies gefokus word.

Kassies met interessante feite vul die teks aan en treffende kleurfoto's illustreer die kenmerke van slange in elke groep. '

n Insiggewende inleiding dek die algemene gedrag en habitats van Suider-Afrika se slange en gee wenke oor waar en hoe om hulle op te spoor.

Die verskillende gifsoorte word bespreek, asook basiese noodhulpmaatreels vir die behandeling van slagoffers van slangbyt.