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Books > Science & Mathematics > Biology, life sciences > Zoology & animal sciences > Vertebrates > Amphibians

Why Fish Don'T Exist (Paperback): Lulu Miller Why Fish Don'T Exist (Paperback)
Lulu Miller
R456 R341 Discovery Miles 3 410 Save R115 (25%) Ships in 10 - 15 working days

A Best Book of 2020: The Washington Post * NPR * Chicago Tribune * Smithsonian A "remarkable" (Los Angeles Times), "seductive" (The Wall Street Journal) debut from the new cohost of Radiolab, Why Fish Don't Exist is a dark and astonishing tale of love, chaos, scientific obsession, and--possibly--even murder. "At one point, Miller dives into the ocean into a school of fish...comes up for air, and realizes she's in love. That's how I felt: Her book took me to strange depths I never imagined, and I was smitten." --The New York Times Book Review David Starr Jordan was a taxonomist, a man possessed with bringing order to the natural world. In time, he would be credited with discovering nearly a fifth of the fish known to humans in his day. But the more of the hidden blueprint of life he uncovered, the harder the universe seemed to try to thwart him. His specimen collections were demolished by lightning, by fire, and eventually by the 1906 San Francisco earthquake--which sent more than a thousand discoveries, housed in fragile glass jars, plummeting to the floor. In an instant, his life's work was shattered. Many might have given up, given in to despair. But Jordan? He surveyed the wreckage at his feet, found the first fish that he recognized, and confidently began to rebuild his collection. And this time, he introduced one clever innovation that he believed would at last protect his work against the chaos of the world. When NPR reporter Lulu Miller first heard this anecdote in passing, she took Jordan for a fool--a cautionary tale in hubris, or denial. But as her own life slowly unraveled, she began to wonder about him. Perhaps instead he was a model for how to go on when all seemed lost. What she would unearth about his life would transform her understanding of history, morality, and the world beneath her feet. Part biography, part memoir, part scientific adventure, Why Fish Don't Exist is a wondrous fable about how to persevere in a world where chaos will always prevail.

Sasol Eerste Veldgids tot Paddas van Suider-Afrika (Afrikaans, Paperback): Vincent Carruthers Sasol Eerste Veldgids tot Paddas van Suider-Afrika (Afrikaans, Paperback)
Vincent Carruthers
R100 R80 Discovery Miles 800 Save R20 (20%) Ships in 5 - 10 working days

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.

Frogs & Frogging in South Africa (Paperback, 2nd Edition): Louis du Preez, Vincent Carruthers Frogs & Frogging in South Africa (Paperback, 2nd Edition)
Louis du Preez, Vincent Carruthers
R270 R216 Discovery Miles 2 160 Save R54 (20%) Ships in 5 - 10 working days

Frogs & Frogging in South Africa offers amateur froggers an accessible and practical introduction to frog identification.

This edition of the highly popular guide has been expertly revised and fully updated to reflect the latest advances in taxonomy and nomenclature.

It offers: all of the species in Africa south of latitude 22 °S; a section on frog biology and behaviour; how to photograph frogs and record their calls; how to attract frogs to your garden, and ideas for projects such as building a pond; the range of frog species to be found in different environmental niches; maps and colourful photographs with the updated accounts; a new key to the identification of tadpole genera; a CD with all 115 frog calls, which offer one of the best ways to find.

Amphibians of Central and Southern Africa (Hardcover): Alan Channing Amphibians of Central and Southern Africa (Hardcover)
Alan Channing
R553 Discovery Miles 5 530 Ships in 4 - 8 working days
Amphibians: A Very Short Introduction (Paperback): T.S. Kemp Amphibians: A Very Short Introduction (Paperback)
T.S. Kemp
R269 R217 Discovery Miles 2 170 Save R52 (19%) Ships in 9 - 15 working days

Very Short Introductions: Brilliant, Sharp, Inspiring From frogs, toads, newts, and salamanders, to the lesser-known caecilians, there are over 8,000 species of amphibians alive today. Characterised by their moist, naked skin and the tadpole phase of their lives, they are uniquely adapted to occupy the interphase habitat between freshwater and land. This Very Short Introduction explores amphibians' evolution, adaptations, and biology, from the first emergence of tetrapods onto land 370 million years ago, to how their permeable skin enables them to thrive in their habitat today. T. S. Kemp describes how different amphibians go about their lives, looking in particular at their complex courtship behaviour and their extraordinary means of providing care for their eggs and larvae. Finally, he considers amphibians' relationship to humans, and the ways in which they have been exploited as food, folk medicine, and pets, as well as used in many areas of scientific research. Today amphibians face a serious threat, with almost half of species judged to be at risk of extinction. As the causes include habitat destruction, pollution, and disease, mostly resulting from human activity, T. S. Kemp shows that the conservation of amphibians is very much in our hands. ABOUT THE SERIES: The Very Short Introductions series from Oxford University Press contains hundreds of titles in almost every subject area. These pocket-sized books are the perfect way to get ahead in a new subject quickly. Our expert authors combine facts, analysis, perspective, new ideas, and enthusiasm to make interesting and challenging topics highly readable.

Boas of the West Indies - Evolution, Natural History, and Conservation (Hardcover): R. Graham Reynolds, Robert W Henderson,... Boas of the West Indies - Evolution, Natural History, and Conservation (Hardcover)
R. Graham Reynolds, Robert W Henderson, Luis M Diaz, Tomas M Rodriguez-Cabrera, Alberto R Puente-Rolon; Foreword by …
R1,449 Discovery Miles 14 490 Ships in 12 - 17 working days

Boas of the West Indies is a comprehensive survey of boid snakes, commonly known as boas, found on the islands of the Lucayan Archipelago, the Greater Antilles, and the Lesser Antilles. Bringing together the expertise of leading herpetologists R. Graham Reynolds, Robert W. Henderson, Luis M. Diaz, Tomas Michel Rodriguez, and Alberto R. Puente-Rolon, this volume synthesizes established knowledge and new findings on the evolutionary biology, natural history, and conservation statuses of these iconic snakes. One of the most ecologically diverse snake families, boas have inhabited the West Indies for millions of years. From the Cuban boa, which in many folk legends may grow to over twice a person's height, to the Hispaniolan vineboa, discovered only in 2020 and known to measure less than a meter long, Boas of the West Indies examines the eighteen species extant on these islands along with several others now extinct. Species accounts include details such as phenotypic traits, distribution, and behavior. Introductory chapters discuss the history of human-boa interaction, differences between West Indian and neotropical mainland boids, current conservation efforts, and more. Illustrated with over a hundred color photographs and range maps, Boas of the West Indies is a benchmark reference for herpetologists, conservationists, and snake hobbyists that expands our knowledge of-and celebrates-these fascinating creatures so integral to the ecology of these islands.

The Book of Eels (Paperback): Patrik Svensson The Book of Eels (Paperback)
Patrik Svensson
R479 R357 Discovery Miles 3 570 Save R122 (25%) Ships in 10 - 15 working days
Frogs and Toads of the World (Hardcover): Chris Mattison Frogs and Toads of the World (Hardcover)
Chris Mattison
R871 R738 Discovery Miles 7 380 Save R133 (15%) Ships in 10 - 15 working days

With nearly 6,000 species currently identified, frogs and toads are the most familiar and abundant amphibians on the planet. "Frogs and Toads of the World" is a comprehensive guide to the natural history of this large and diverse group of creatures. Stunningly illustrated throughout with 200 color photographs, this one-of-a-kind book traces the evolution and classification of frogs and toads, providing detailed information about each of the 49 unique families and highlighting distinctive and notable species. It vividly describes their remarkable diversity in shape, color, and markings; anatomy and development; life cycle; habitats; the various methods they use to attract mates and hunt for food; and the physiological and behavioral tricks they use to survive and thrive around the world.

This indispensable guide also explores frogs' interaction with humans, from modern-day collection for the meat trade, scientific research, and the trade in exotic pets to how their survival is being threatened by habitat destruction, climate change, and disease.A comprehensive guide to the natural history of frogs and toads Features 200 stunning color photographs Covers each of the 49 unique frog families Describes anatomy, life cycle, habitats, survival tricks, and more

Snakes of the World - A Guide to Every Family (Hardcover): Mark O'Shea Snakes of the World - A Guide to Every Family (Hardcover)
Mark O'Shea
R783 R631 Discovery Miles 6 310 Save R152 (19%) Ships in 10 - 15 working days

A gorgeously illustrated guide to the incredible diversity of snakes around the world Snakes are found on every continent except Antarctica and have evolved to occupy a vast range of habitats, from mountains to oceans and deserts to rain forests. Snakes of the World explores their extraordinary diversity, with an in-depth introduction covering anatomy, behavior, habitats, reproduction, conservation, and other essential topics. This expert guide also includes profiles of some of the approximately 4,000 species of snakes, featuring examples from every family and subfamily. Each family profile highlights the remarkable appearance, characteristics, and lifestyle of notable snake species. Covering how snakes use venom or constriction to subdue their prey, how a snake's appearance can aid camouflage or boast of its killing capacity, and how habitat destruction is jeopardizing the future of many species, Snakes of the World is an invaluable guide to these fascinating reptiles. Features more than 200 stunning color photographs Presents species profiles with a commentary, distribution map, and table of information Includes examples from every snake family and subfamily

A Pocket Guide to Sharks of the World - Second Edition (Paperback): David A. Ebert, Marc Dando, Sarah Fowler A Pocket Guide to Sharks of the World - Second Edition (Paperback)
David A. Ebert, Marc Dando, Sarah Fowler
R556 R462 Discovery Miles 4 620 Save R94 (17%) Ships in 12 - 17 working days

An updated and comprehensive guide identifying all of the world's sharks Sharks are some of the most misunderstood animals on the planet. We still have a lot to learn about these fascinating creatures, which are more seriously threatened with extinction and in greater need of conservation and management than any other major group of vertebrates. A Pocket Guide to Sharks of the World is the only field guide to identify, illustrate, and describe every known shark species. Its compact format makes it handy for many situations, including recognizing living species, fishery catches, or parts sold at markets. This expanded second edition presents lavish images, details on newly discovered species, and updated text throughout. The book contains useful sections on identifying shark teeth and the shark fins most commonly encountered in the fin trade, and takes a look at shark biology, ecology, and conservation. A Pocket Guide to Sharks of the World will be an essential resource and definitive reference for years to come. An updated guide to all of the world's sharks Each species is illustrated and described Handy, compact format with concise text Useful sections on the identification of shark teeth and fins

Handbook of Amphibians and Reptiles of Northeast Africa (Hardcover): Stephen Spawls, Abubakr Mohammad, Tomas Mazuch Handbook of Amphibians and Reptiles of Northeast Africa (Hardcover)
Stephen Spawls, Abubakr Mohammad, Tomas Mazuch
R1,912 Discovery Miles 19 120 Ships in 12 - 17 working days

This handbook is the first complete guide to the herpetofauna of northeast Africa, covering seven countries - Djibouti, Egypt, Ethiopia, Eritrea, Somalia, South Sudan and Sudan. It contains keys, comprehensive descriptions, maps of all species and photographs of virtually all species known from the region, including 114 species of amphibians and more than 460 species of reptiles. It is an essential tool for herpetologists and conservationists involved with any aspect of the African herpetofauna, and for museums and specialist libraries. Comprehensive and written by the world's leading experts in the field, this is the first book ever written on these animals.

Reptiles and Amphibians - Self-Assessment Color Review, Second Edition (Paperback, 2nd edition): Fredric L. Frye Reptiles and Amphibians - Self-Assessment Color Review, Second Edition (Paperback, 2nd edition)
Fredric L. Frye
R1,263 Discovery Miles 12 630 Ships in 12 - 17 working days

Much has happened in the 19 years since the publication of the first edition of Reptiles and Amphibians: Self-Assessment Color Review. Many more scientists and clinicians have taken an interest in reptiles and amphibians, novel radiographic techniques have been developed, and veterinary surgeons have devised operative solutions to numerous serious conditions in both reptiles and amphibians. The time is right for an expanded second edition that covers these developments and more. See What's in the Second Edition: More than 230 new and revised reptile and amphibian cases, illustrated in color Case studies with answers that fully explore the disease or disorder in question Case selection based on common reptilian and amphibian species kept as pets or study animals Written by a foremost authority, this book presents more than 230 cases and questions at different levels of expertise, with detailed explanatory answers. The cases appear in random order, just as they would in real life, and enable you-by solving the clinical puzzle-to make differential diagnoses, treatment plans, and prognoses. The color review includes a wealth of problem-oriented information of value-and enjoyment-for formal and informal training and continuing education.

Ecotoxicology of Amphibians and Reptiles (Hardcover, 2nd edition): Donald W. Sparling, Greg Linder, Christine A. Bishop, Sherry... Ecotoxicology of Amphibians and Reptiles (Hardcover, 2nd edition)
Donald W. Sparling, Greg Linder, Christine A. Bishop, Sherry Krest
R6,073 Discovery Miles 60 730 Ships in 12 - 17 working days

Building on the success of its popular predecessor, the second edition of Ecotoxicology of Amphibians and Reptiles presents newly available findings on the species that are important environmental indicators. This new edition covers nearly twice as many topics as the first, including recent developments in the ecotoxicology of amphibians and reptiles, the current status of these animals, and intrinsic factors that affect their susceptibility to contaminants. The book also provides the latest information on specific groups of contaminants and their effects and body burdens in herpetafauna. After a review of how contaminants interact with other ecological factors, the text explores concerns for the future. New in the second edition: New research on the effects of pesticides, heavy metals, endocrine disrupting chemicals, and UVB Increased focus on the effects of contaminants rather than merely reporting residue information A synthesis of information on atrazine and its effects on gonads at low concentrations Coverage of the potentially alarming new cadre of chemicals that have recently or are about to come on the market for which there is very little or no information Important advances in surveying and monitoring One of the major factors behind the writing of the first edition was the worldwide phenomenon of declining amphibian populations. Although this decline has not abated, the breadth of research into its causes has expanded significantly. With chapter contributors carefully selected by the team of editors as leaders in their fields, this book provides an authoritative compendium of the most recent information on effects and residues coupled with a syntheses of what these numbers mean to science and policy.

Reproductive Biology and Phylogeny of Gymnophiona: Caecilians (Hardcover, illustrated edition): Barrie G.M. Jamieson Reproductive Biology and Phylogeny of Gymnophiona: Caecilians (Hardcover, illustrated edition)
Barrie G.M. Jamieson
R5,411 Discovery Miles 54 110 Ships in 12 - 17 working days

One of the little known species in the danger of extinction, gymophionan amphibians, are also known as caecilians or apoda. Gymnophiona contains 154 species belonging to 34 genera and 6 families. For many years, studies on the Gymnophiona were disparate and still only a few species have been deeply studied. Fortunately, in recent years, some new works have been published on their systematics, using both the classical methods as well as immunology and molecular biology. New data have also been obtained on the biology, life history, reproductive biology, endocrinology and embryonic development of several species. These fascinating aspects along with other important ones on gymnophionan studies are ably reviewed in this book.

Amphibians & Reptiles of North-West Europe - Their Natural History, Ecology and Conservation (Hardcover): I.F. Spellerberg Amphibians & Reptiles of North-West Europe - Their Natural History, Ecology and Conservation (Hardcover)
I.F. Spellerberg
R3,049 Discovery Miles 30 490 Ships in 12 - 17 working days

This book provides a brief description of the ecology and natural history of sixteen amphibians, eight snakes and lizards and the Chelonia species found in the temperate climatic region of Europe (North-west Europe). The book commences with an introduction to the biology of amphibians and reptiles and describes the differences between the main groups. The main ecological adaptations are discussed and there is particular mention that it is erroneous to refer to amphibians and reptiles as cold blooded. There is also the suggestion that the colour of an amphibian or reptile may not necessarily mean anything in terms of the animal's thermal properties. For each species there is a brief account of the following: the etymology or origin of the name of the species, reference to early accounts of the species, taxonomy, protection, general description, distribution and habitat, seasonal movements and behaviour, vagility and population ecology, feeding ecology, thermal ecology, reproduction, growth and development, ge

Pocket Guide to the Amphibians and Reptiles of Costa Rica (Paperback): Twan Leenders Pocket Guide to the Amphibians and Reptiles of Costa Rica (Paperback)
Twan Leenders
R737 R613 Discovery Miles 6 130 Save R124 (17%) Ships in 10 - 15 working days

Pocket Guide to the Amphibians and Reptiles of Costa Rica introduces readers to all 470 amphibian and reptile species currently known to occur in the country. Drawing on thirty years of research and field study, Twan Leenders walks readers through the rich diversity of the country's herpetofauna—salamanders, frogs, crocodilians, turtles, lizards, snakes, and even the elusive, rarely seen caecilians. Numerous illustrations coupled with key field marks and copious pointers on how to distinguish similar looking species enable quick identification in the field. This pocket guide features: - 136 color plates and more than 700 photographs - 48 black-and-white scientific illustrations - Up-to-date species accounts and color-coded range maps - ID boxes to help place individual species their appropriate category Compact, richly illustrated, and written in a highly accessible manner, Pocket Guide to the Amphibians and Reptiles of Costa Rica is a must-have reference for those familiar with or new to the world of tropical herpetology.

Reproductive Biology and Phylogeny of Anura (Hardcover, illustrated edition): B.G.M. Jamieson Reproductive Biology and Phylogeny of Anura (Hardcover, illustrated edition)
B.G.M. Jamieson
R5,417 Discovery Miles 54 170 Ships in 12 - 17 working days

This book covers the major aspects of phylogeny and reproductive biology of frogs in chapters written by major authorities. Topics treated are: anuran phylogeny, classification and reproductive modes; gross anatomy of the reproductive system; oogenesis; endocrinology of reproduction; spermatogenesis and the mature spermatozoon; breeding glands; internal fertilization and sperm storage, parental care; general development; and molecular development.

The World Beneath - The Life and Times of Unknown Sea Creatures and Coral Reefs (Hardcover): Richard Smith The World Beneath - The Life and Times of Unknown Sea Creatures and Coral Reefs (Hardcover)
Richard Smith
R825 R700 Discovery Miles 7 000 Save R125 (15%) Ships in 12 - 17 working days

Meet the world's most fascinating sea creatures-see the lives and curiosities of colorful fish and coral reefs-this spectacular volume has more than 300 color photos and extraordinary text from a leading marine biologist and underwater photographer, and the international expert on seahorses. In this richly informative volume, brimming with new discoveries and more than three hundred colorful images of jaw-dropping fish and coral reefs, you'll swim in the Atlantic, Pacific, and Indian Oceans; you'll be dazzled in the Coral Triangle and amazed in Triton Bay. Up close you'll meet the Cenderawasih fairy wrasse, with its florescent yellow streak; the polka-dot longnose filefish; and the multicolored seadragon. There are scarlet-colored corals, baby-blue sponges, daffodil crinoids, and all sorts of mystifying creatures that change color at the drop of a hat. The whale shark is almost larger than life and the author's beloved pygmy seahorse, unless photographed, is almost too tiny to see. The wondrous creatures inside are charmers and tricksters and excel in the arts of seduction and deception, and you'll have the rare chance to see and delight in their antics. You'll also learn what they eat, how they play, and how they care for one another, live on one another, and mimic others when they're afraid. There is also compelling insight into the naming process, which sea creatures are facing extinction, and how we can help them before it's too late.

The Book of Frogs - A Life-Size Guide to Six Hundred Species from Around the World (Hardcover): Tim Halliday The Book of Frogs - A Life-Size Guide to Six Hundred Species from Around the World (Hardcover)
Tim Halliday
R1,744 R1,450 Discovery Miles 14 500 Save R294 (17%) Ships in 10 - 15 working days

With over 7,000 known species, frogs display a stunning array of forms and behaviors. A single gram of the toxin produced by the skin of the Golden Poison Frog can kill 100,000 people. Male Darwin's Frogs carry their tadpoles in their vocal sacs for sixty days before coughing them out into the world. The Wood Frogs of North America freeze every winter, reanimating in the spring from the glucose and urea that prevent cell collapse. The Book of Frogs commemorates the diversity and magnificence of all of these creatures, and many more. Six hundred of nature's most fascinating frog species are displayed, with each entry including a distribution map, sketches of the frogs, species identification, natural history, and conservation status. Life-size color photos show the frogs at their actual size--including the colossal seven-pound Goliath Frog. Accessibly written by expert Tim Halliday and containing the most up-to-date information, The Book of Frogs will captivate both veteran researchers and amateur herpetologists. As frogs increasingly make headlines for their troubling worldwide decline, the importance of these fascinating creatures to their ecosystems remains underappreciated. The Book of Frogs brings readers face to face with six hundred astonishingly unique and irreplaceable species that display a diverse array of adaptations to habitats that are under threat of destruction throughout the world.

Field Guide to the Amphibians and Reptiles of Britain and Europe (Paperback): Jeroen Speybroeck, Wouter Beukema, Bobby Bok, Jan... Field Guide to the Amphibians and Reptiles of Britain and Europe (Paperback)
Jeroen Speybroeck, Wouter Beukema, Bobby Bok, Jan Van Der Voort; Illustrated by Ilian Velikov
R920 R865 Discovery Miles 8 650 Save R55 (6%) Ships in 12 - 17 working days

This groundbreaking new guide is an authoritative field reference for these two groups of animals. The taxonomy and systematics of European reptiles and amphibians have changed a lot in recent years, yet there is no modern, up-to-date field guide available that comprehensively covers all the species. The last illustrated field guide to European reptiles and amphibians was first published 38 years ago, and remains oudated despite occasional reprints and new editions. This major new field guide addresses this deficiency. A total of 219 species are covered in detail, with a focus on identification and geographical variation; species texts also cover distribution, habitat and behaviour. Superb colour illustrations by talented artist Ilian Velikov depict every species and all major variations, and colour photographs are also included for most species. It includes: - Over 370 colour artworks and 200 colour photographs - 155 accurate and up-to-date distribution maps - Easy-to-use keys and tables to help with swift species identification

Reptiles and Amphibians of New Zealand (Paperback): Dylan van Winkel, Marleen Baling, Rod Hitchmough Reptiles and Amphibians of New Zealand (Paperback)
Dylan van Winkel, Marleen Baling, Rod Hitchmough
R1,104 R894 Discovery Miles 8 940 Save R210 (19%) Ships in 10 - 15 working days

The definitive photographic field guide to all of New Zealand's reptiles and amphibians With more than 400 extraordinary color photographs and richly informative text, Reptiles and Amphibians of New Zealand is the definitive field guide to all of the country's tuatara, geckos, skinks, frogs, marine turtles, and marine snakes. From the ancient tuatara, the sole surviving member of its order, to the world's largest collection of long-lived and live-bearing lizards, New Zealand's reptiles and amphibians represent an extraordinary part of the country's biodiversity. The only field guide to cover all of New Zealand's 123 currently recognized species, the book features authoritative and up-to-date species accounts, including names and description, as well as information on distribution, variation and similar species, habitat, and natural history. The book also provides a general introduction to these species, offering an overview of evolution, conservation, observing and collecting, ecosystems, and geographic history. Covers all of New Zealand's 123 species of reptiles and amphibians Contains more than 400 stunning new color photographs Includes a range map for every species Presents identification keys for each of the major groups Features a regional checklist and a handy quick guide on the inside flaps

Salamanders in Regeneration Research - Methods and Protocols (Paperback, Softcover reprint of the original 1st ed. 2015): Anoop... Salamanders in Regeneration Research - Methods and Protocols (Paperback, Softcover reprint of the original 1st ed. 2015)
Anoop Kumar, Andras Simon
R4,642 Discovery Miles 46 420 Ships in 10 - 15 working days

This detailed volume focuses on best practices and conditions for maintaining the most commonly used salamander species in the laboratory. Salamanders in Regeneration Research: Methods and Protocols guides readers through experimental manipulations in vivo and in vitro, respectively. With methods on targeting a wide variety of structures, ranging from the limb to the heart and to the brain, and methods for studying genetically modified organisms and tools for mining in the genomic databases. Written in the highly successful Methods in Molecular Biology series format, chapters include introduction to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and up-to-date, Salamanders in Regeneration Research: Methods and Protocols provides a comprehensive collection of methods chapters.

Amphibian Evolution - The Life of Early Land Vertebrates (Paperback): Rainer R. Schoch Amphibian Evolution - The Life of Early Land Vertebrates (Paperback)
Rainer R. Schoch
R1,391 Discovery Miles 13 910 Ships in 12 - 17 working days

This book focuses on the first vertebrates to conquer land and their long journey to become fully independent from the water. It traces the origin of tetrapod features and tries to explain how and why they transformed into organs that permit life on land. Although the major frame of the topic lies in the past 370 million years and necessarily deals with many fossils, it is far from restricted to paleontology. The aim is to achieve a comprehensive picture of amphibian evolution. It focuses on major questions in current paleobiology: how diverse were the early tetrapods? In which environments did they live, and how did they come to be preserved? What do we know about the soft body of extinct amphibians, and what does that tell us about the evolution of crucial organs during the transition to land? How did early amphibians develop and grow, and which were the major factors of their evolution? The Topics in Paleobiology Series is published in collaboration with the Palaeontological Association, and is edited by Professor Mike Benton, University of Bristol. Books in the series provide a summary of the current state of knowledge, a trusted route into the primary literature, and will act as pointers for future directions for research. As well as volumes on individual groups, the series will also deal with topics that have a cross-cutting relevance, such as the evolution of significant ecosystems, particular key times and events in the history of life, climate change, and the application of a new techniques such as molecular palaeontology. The books are written by leading international experts and will be pitched at a level suitable for advanced undergraduates, postgraduates, and researchers in both the paleontological and biological sciences.

Pocket Guide to the Reptiles and Amphibians of East Africa (Paperback): Robert C. Drewes, Kim Howell, Stephen Spawls Pocket Guide to the Reptiles and Amphibians of East Africa (Paperback)
Robert C. Drewes, Kim Howell, Stephen Spawls
R516 R429 Discovery Miles 4 290 Save R87 (17%) Ships in 12 - 17 working days

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.

Tungara Frog (Paperback): Michael J. Ryan Tungara Frog (Paperback)
Michael J. Ryan
R968 Discovery Miles 9 680 Ships in 12 - 17 working days

In a Panamanian pond, male tungara frogs (Physalaemus pustulosus) gather in choruses, giving their "advertisement" call to the females that move among them. If a female chooses to make physical contact with a male, he will clasp her and eventually fertilize her eggs. But in vying for the females, the males whose calls are most attractive may also attract the interest of another creature: the fringe-lipped bat, a frog eater. In the Tungara Frog, the most detailed and informative single study available of frogs and their reproductive behavior, Michael J. Ryan demonstrates the interplay of sexual and natural selection. Using techniques from ethology, behavioral ecology, sensory physiology, physiological ecology, and theoretical population genetics in his research, Ryan shows that large males with low-frequency calls mate most successfully. He examines in detail a number of explanations for the females' preferences, and he considers possible evolutionary forces leading to the males' success. Though certain vocalizations allow males to obtain mates and thus should be favored by sexual selection, this study highlights two important costs of such sexual displays: the frogs expand considerable energy in their mating calls, and they advertise their whereabouts to predators. Ryan considers in detail how predators, especially the frige-lipped bat (Trachops cirrhosus), affect the evolution of the tungara frog's calls.

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