Reptiler och groddjur
1 482 produkter
1 482 produkter
224 kr
Skickas inom 5-8 vardagar
Mitt syfte med denna bok är att hjälpa våra svenska ormar att överleva, genom att ge dig ökad kunskap och förståelse för dessa vackra djur. På köpet kan man förhoppningsvis minska rädslan hos någon läsare, mycket oro handlar om det man inte känner till så väl. Sist, men inte minst, så kan vi kanske spara ett ormbett här och där genom att fler agerar på rätt sätt vid möte med orm. I Sverige finns tre ormarter, men i denna bok har jag valt att skriva om fyra arter av reptiler eftersom många tror sig se en orm när de möter en kopparödla på tomten eller i skogen. Utöver detta får du i denna bok allmän kunskap om ormar och tips på vad du kan göra om du inte vill ha orm på din tomt. Detta är den andra upplagan av denna bok. En halv gång tjockare än förra upplagan och med ett bättre tryck.
409 kr
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I boken ”Grod och kräldjur” presenteras utbredning, utseende, miljökrav och levnadssätt för samtliga svenska grod- och kräldjursarter. För att underlätta artbestämning finns bestämningsnycklar för djurens olika utvecklingsstadier. Boken tar upp betydelsefulla faktorer som invandringshistoria och landskapsförändringar jämte aktuella bevarandearbeten och lagstiftning i samband med exploateringar. Här presenteras också tips om vad vi alla kan bidra med för att gynna grod- och kräldjur i trädgården, på lantgården och golfbanan. Inledningsvis får vi följa med författaren till många exotiska platser runt om i världen.
Författaren Claes Andrén har arbetat som lärare och forskare på Göteborgs universitet och varit vetenskaplig ledare på Stiftelsen Nordens Ark i Bohuslän. Claes har under hela sitt yrkesliv varit engagerad i nationellt och internationellt bevarandearbete för grod- och kräldjur. Han ingår i Artdatabankens expertkommitté och är medlem i Naturfilmarna och Naturfotograferna/N. Claes har också producerat och medverkat i ett stort antal naturfilmer för SVT. Hans senaste projekt är att skapa bästa möjliga miljöer för grodor och ormar på den egna gården utanför Ljungskile.
366 kr
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Ett av världens mest mytomspunna djur lever isolerat på ett örike i Sydostasien. Med en längd på över 3 meter och förmåga att fälla getter och hjortar utgör komodovaranen en imponerande syn. Komodovaranen är både snabb och giftig, en dödlig kombination för större landlevande däggdjur. En av världens sista stora reptiler från en svunnen tid vandrar än idag på de Små Sundaöarna spridda omkring ön Komodo. I den här boken redogörs för komodovaranens ekologiska roll som toppredator och vilka hot som förekommer mot den. Komodovaranens evolutionära historia är hisnande. Komodovaranen föregicks av den förhistoriska jättevaranen megalania som kunde uppnå en längd på 7 meter och dog ut för blott 18 000 år sedan, samtidigt som människan etablerade sig i området. Marinbiologen David C. Bernvi förklarar komodovaranens fascinerande biologi genom att dra paralleller till marina toppredatorer. Vi får även bekanta oss med naturfotografen Jan Fleischmann som vid ett flertal gånger lyckats med något få andra fotografer åstadkommit. Han har lyckats komma komodovaranen nära och fånga den ovanliga jättevaranen på bild från bara en armslängds avstånd. En otrolig bedrift med tanke på att flera har fallit offer för komodovaranens dödliga bett i jakt på den perfekta bilden. Komodovaranens glupska beteende är ökänt. Trots detta dåliga rykte visas här en mer komplex bild av hur komodovaranen fungerar genom möten bakom linsen. Texterna är inspirerande och lättillgängliga. Fotografierna är enastående. Tom Hermansson Snickars, BTJ-häftet nr 13, 2025.
339 kr
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190 kr
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370 kr
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Följ med till den indonesiska vulkanön Komodo. Där härskar världens största ödla, komodovaranen. Under några stekheta dagar i september 1991 upplever författarna ett storslaget äventyr där de får närkontakt med jätteödlorna som kallas drakar av lokalbefolkningen. De träffar även ett indonesiskt filmteam som befinner sig på ön för att spela in en actionfilm. Resan fortsätter till den magiska vulkanen Kelimutu på Flores och vidare till Sumatra där de möter vilda orangutanger. Boken innehåller även intressanta faktatexter om landet Indonesien och om komodovaranen samt en historisk tillbakablick på närbesläktade reptiler som dinosaurier och krokodiler. Boken är rikt illustrerad med spännande foton, kartor och teckningar.
246 kr
Skickas inom 7-10 vardagar
Äntligen! Efter mer än 12 års samlande och otaliga tvärnitar är jag framme vid målet, en bok om grodor i alla perspektiv! Min fascination, kärlek och respekt inför grodor är djup och innerlig! Grodor står för mängder av olika intryck, avtryck och ibland helt otroliga uttryck. Jag vill ge dig samma upplevelser när du reser mellan olika destinationer i boken . Drömmen om att samla allt i ett grodperspektiv har växt fram under många år. Jag har aldrig kunnat motstå frestelsen att plocka upp en groda. Det blev en diger samling till slut. Boken är inte heltäckande på något område utan består av ett urval med grodperspektiv. Min ambition med boken är att den ska vara lärorik, estetisk, engagerande och humoristisk – som livet – en pendling mellan ytterligheter och vanligheter. Kampen för vår miljö handlar om svåra val, politiskt mod, förutseende och internationellt samarbete. Ingen kan göra allt, men alla kan göra något! Kerstin Wendt
276 kr
Skickas inom 7-10 vardagar
Bilderna i denna bok togs över en period av sex år, och är en hyllning till havsleguanerna på Galápagos. På grund av öarnas isolerade geografiska läge har en unik flora och fauna utvecklats under årmiljonerna. Även om de flesta av Galápagosöarna är naturreservat, ökar trycket på djurlivet till följd av en växande befolkning, ekologiskt illa anpassad mänsklig verksamhet, påverkan av den ständigt växande turismen, miljökatastrofer och klimatförändringar. Risken är stor att de känsliga ekosystemen blir allvarligt skadade eller till och med delvis helt förstörda. Det mer eller mindre regelbundna klimatfenomenet El Niño påverkar också djuren på Galápagosöarna negativt och särskilt havsleguanerna. Varifrån kommer namnet "Imps of Darkness" för havsleguanen? Denna fråga besvaras i boken genom en fotografisk resa av dessa fascinerande ödlor vilka endast förekommer på Galápagosöarna.
223 kr
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Boken handlar om de kyrkor i sydöstra USA som använder giftormar under gudstjänst för att bekräfta sin tro för sig själva och för andra församlingsmedlemmar. Självklart handlar boken även om ormarna de använder sig av, ormar har alltid huvudrollen i mina böcker.
196 kr
Skickas inom 5-8 vardagar
Palmhuggormen, Trimeresurus albolabris, är för mig en ikonisk orm. Jag har några exemplar av arten hemma i källaren och det är en väldigt trevlig orm att hålla i terrarium. Jag har även haft förmånen att få ha albolabris på ormkroken när jag varit i Thailand där arten är rätt vanlig i vilt tillstånd och inte helt omöjlig att hitta. Denna bok är ett försök till en komplett bok om denna art.
369 kr
Skickas inom 7-10 vardagar
Jag har i denna bok valt att skriva om familjen Viperidae, huggormarna. För mig började mitt intresse med den huggorm som finns i svensk natur, numera har jag ett antal huggormsarter i terrarium hemma i källaren. Boken beskriver familjen huggormar och tar sedan upp sex olika arter i varsitt kapitel (urvalet är helt baserat på vad jag har för arter i hemmet). Utöver detta så tar boken upp en hel del begrepp inom herpetologin och zoologin som kan vara bra att kunna, vad man ska göra om man blir biten och vad man bör fundera på innan man tar steget att skaffa ormar som kan vara farliga för ens hälsa.
298 kr
Skickas inom 7-10 vardagar
A Field Guide tothe Reptiles of Borneo is a fullycomprehensive guide to the 321 species of reptile recorded from Borneo,covering crocodiles, turtles, lizards and snakes. With photographs from theauthor and other top nature photographers, each species is illustrated andmapped.The generalintroduction includes details of Borneo’s geology, climate and vegetation;abbreviations and conventions, the topography of crocodiles, turtles, lizardsand snakes, a section on treatment for snake envenomation, and a glossary oftechnical terms. There is an introduction to each family as well as dichotomouskeys as a quick aid to identification. The species descriptions include thecommon English name, the current scientific name, the vernacular name in BahasaIndonesia and Bahasa Malaysia, size, identification features, details ofhabitat and behaviour, a distribution map for Borneo and distribution detailsincluding outside the island, plus the current IUCN Red List Category.
141 kr
Skickas inom 7-10 vardagar
This easy-to-use identification guide to the 150 reptile species most commonly seen in Sri Lanka is perfect for resident and visitor alike. High-quality photographs from the authors are accompanied by detailed species descriptions, which include size, distribution, habits and habitat. The user-friendly introduction covers fascinating information on folklore associated with reptiles, snake topography, how to deal with snake bites and a glossary. Also included is an all-important checklist of all of the reptiles of Sri Lanka encompassing, for each species, its common and scientific name, and its IUCN status.
Little Frog's Guide to Self-Care
Affirmations, Self-Love and Life Lessons According to the Internet's Beloved Mushroom Frog
Inbunden, Engelska, 2023
95 kr
Skickas inom 7-10 vardagar
Hop into this uplifting little book, filled with positive affirmations on self-love and empowerment, as told by the internet's beloved mushroom frog"Don't forget about the subtle magic that is happening all around you every day"Meet the Little Frog! With its mushroom cap and endless collection of fabulous footwear, this adorable amphibian is here to be your new best friend. Whether you need an emotional boost, some friendly encouragement or an honest view on the world, the Little Frog will be your guide.Created by the California-based artist Maybell Eequay, this book is a perfect compassionate gift for yourself or others. Inside you will find:- Over 40 hand-drawn illustrations of the Little Frog- Beautiful life lessons and empowering reminders that it's okay to be gentle with yourself and to feel your feelings- A humorous, no-nonsense approach to positivityThese illustrations will fill your heart with love for yourself and others, and remind you that it's brave and wonderful of you to exist!
901 kr
Skickas inom 7-10 vardagar
The fourth edition of the textbook Herpetology covers the basic biology of amphibians and reptiles, with updates in nearly every conceptual area. Not only does it serve as a solid foundation for modern herpetology courses, but it is also relevant to courses in ecology, behavior, evolution, systematics, and morphology.
Examples taken from amphibians and reptiles throughout the world make this book a useful herpetology textbook in several countries. Naturalists, amateur herpetologists, herpetoculturists, zoo professionals, and many others will find this book readable and full of relevant natural history and distributional information.
Amphibians and reptiles have assumed a central role in research because of the diversity of ecological, physiological, morphological, behavioral, and evolutionary patterns they exhibit. This fully revised edition brings the latest research to the reader, ranging over topics in evolution, reproduction, behavior and more, allowing students and professionals to keep current with a quickly moving field.
Heavily revised and updated with discussion of squamate (lizard and snake) taxonomy and new content reflected in current literature Includes increased focus on conservation biology in herpetology while retaining solid content on organismal biology of reptiles and amphibians Presents new photos included from authors' extensive library
The Biology and Identification of the Coccidia (Apicomplexa) of Turtles of the World
Häftad, Engelska, 2014
610 kr
Skickas inom 7-10 vardagar
The Biology and Identification of the Coccidia (Apicomplexa) of Turtles of the World is an invaluable resource for researchers in protozoology, coccidia, and parasitology, veterinary sciences, animal sciences, zoology, and biology. This first-of-its-kind work offers a taxonomic guide to apicomplexan parasites of turtles that enables easy parasite identification, with a summary of virtually everything known about the biology of each known parasite species. It is an important documentation of this specific area, useful to a broad base of readers, including researchers in biology, parasitology, animal husbandry, diseases of wild and domestic animals, veterinary medicine, and faculty members in universities with graduate programs in these areas.
There are about 330 turtle species on Earth; many are endangered, a growing number of species are kept as pets, and some are still used as food by humans. Turtles, like other vertebrate animals have many different kinds of parasites (viruses, bacteria, protozoa, worms, arthropods, and others). Coccidiosis in turtles has prevented large-scale turtle breeding, and represents a serious problem in need of control. This succinct and highly focused book will aid in that effort.
Offers line drawings and photomicrographs of each parasite from each hosts species Provides methods of identification and treatment Presents a complete historical rendition of all known publications on coccidia (and their closest relatives) from all turtle species on Earth, and evaluates the scientific and scholarly merit of each Provides a complete species analysis of the known biology of every coccidian described from turtles Reviews the most current taxonomy of turtles and their phylogenetic relationships needed to help assess host-specificity and evaluate what little cross-transmission work is available
1 154 kr
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Amphibians of North Africa is a comprehensive compilation of available data on the amphibians and reptiles found in various ecosystems across North West Africa and parts of the Mediterranean region. It is essential to identifying and understanding the ecological role of regional herpetofauna and its conservational importance. It examines the biological origins and diversity of amphibians in North Africa, along with their diverse ecosystems, including deserts, grasslands and subtropical forests. The book features detailed descriptions of the adult and larvae stages of species, such as the North African fire salamander, the common painted frog, Brongersma's toad and the Mediterranean tree frog.
This book is a vital resource for herpetology and ecology students and researchers, helping them identify, understand and conserve these amphibians and reptiles in their various habitats across the North African and Mediterranean regions.
Presents the only book on research and species recognition of North West African and Mediterranean amphibians and reptiles in all life phases Provides novel, iconographic material about little-known species Features helpful visuals, including ink-drawings, photographs of adult and larvae stages, habitat photographs and distributional maps
274 kr
Skickas inom 3-6 vardagar
1 147 kr
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The small, terrestrial eastern red-backed salamander is abundant on many forest floors of northeastern North America. Dr. Robert Jaeger and many of his graduate students spent over 50 years studying this species in New York and Virginia, using ecological techniques in forests and behavioral experiments in laboratory chambers in an attempt to understand how this species interacts with other species in the forest and the components of its intra- and intersexual social behaviors.The competitive and social behaviors of this species are unusually complex for an amphibian. This species is highly aggressive towards other similar-size species where they cohabit in forests, often leading to very little geographic overlap between the species. The authors examine the fascinating behavioral traits of this species including social monogamy, mutual mate guarding, sexual coercion, inter-species communication, and conflict resolution.
1 475 kr
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The regenerating vertebrate limb is an excellent model for exploring a number of significant questions in developmental biology. Written by leading investigators in the field, this collection provides a comprehensive discussion of the roles played by the major regulators affecting limb regeneration and repair following trauma. Using the amphibian limb as the recognized model system, the contributors explore in detail the contributions made by biopotentials, theskin, the endocrine system, and nerves in regulating such events as dedifferentiation, the proliferation of blastema cells , and pattern formation. The modulating roles of blood cells and the immunesystem are re-examined, and the exciting studies on the isolation and characterization of neurotropic factors reviewed. The sometimes provocative but always informative and up-to-date discussions provided in this volume will be of particular interest to developmental biologists, anatomists, neuroscientists, and cell biologists.
The Amphibians and Reptiles of New York State
Identification, Natural History, and Conservation
Häftad, Engelska, 2007
774 kr
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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.
The Man Who Saved Sea Turtles
Archie Carr and the Origins of Conservation Biology
Inbunden, Engelska, 2007
664 kr
Skickas inom 7-10 vardagar
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.
1 165 kr
Skickas inom 5-8 vardagar
Anyone can look at a snake and see a creature unique unto itself, a reptile with a set of zoological and biological traits that are entirely its own. Just looking at this distinct animal raises many scientific questions. With regard to evolution, how did such an animal come to be? How does a snake move, and how do its sense organs differ from that of other reptiles? How does it eat, and how does it reproduce? Essentially, how does a snake "work"? In How Snakes Work: The Structure, Function and Behavior of the World's Snakes, leading zoologist Harvey B. Lillywhite has written the definitive scientific guide to the functional biology of snakes. Written for both herpetologists and a more general audience with an interest in the field, How Snakes Work features nearly two hundred color images of various species of snakes, used to provide visual examples of biological features explained in the text.Chapter topics include the evolutionary history of the snake, feeding, locomotion, the structure and function of skin, circulation and respiration, sense organs, sound production, and reproduction. Containing all the latest research and advances in our biological knowledge of the snake, How Snakes Work is an indispensable asset to professional zoologists and enthusiasts alike.
2 454 kr
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This book describes how the various alien reptiles and amphibians now living in the wild throughout the world were first introduced, how they subsequently became naturalized, their present distribution and status in those countries to which they were introduced, and their ecological and socio-economic impact (if any) on the native biota and local economies. Many species have had a more or less neutral impact, being neither beneficial nor harmful. However, several have had a positive ecological or socio-economic impact, while some such as the cane toad, have had an extremely destructive effect.The criteria for inclusion of a species are that it should have been imported from its natural range to a new country by human agency (either accidentally or deliberately) and that it should currently be established in the wild in self-maintaining and self-perpetuating populations unsupported by, and independent of, mankind.
2 348 kr
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Amphibians are the extant descendants of the first vertebrate class to successfully colonize terrestrial environments; hence they occupy a unique position between fish and reptiles. Amphibian skin provides essentially no resistance to evaporative water loss, and consequently daily water turnover rates are an order of magnitude greater than in other terrestrial vertebrate groups. This has led to a suite of physiological, morphological and behavioural adaptations that have allowed a successful terrestrial existence in spite of this apparently spendthrift water retention strategy. Ecological and Environmental Physiology of Amphibians provides a synthesis of current research on the comparative physiology of amphibians with a particular emphasis on water balance. It adopts a strong environmental perspective and includes a wealth of information on ecology, phylogeny and development. As with other books in the Ecological and Environmental Physiology Series, the emphasis in this book is on the unique physiological characteristics of the amphibians, although the latest experimental techniques and future research directions are also considered. This accessible text is suitable for both graduate students and researchers in the fields of amphibian comparative physiology and physiological ecology, including specialist courses in amphibian ecology. It will also be of value and use to the many professional herpetologists requiring a concise overview of the topic.
857 kr
Skickas
Amphibians are the extant descendants of the first vertebrate class to successfully colonize terrestrial environments; hence they occupy a unique position between fish and reptiles. Amphibian skin provides essentially no resistance to evaporative water loss, and consequently daily water turnover rates are an order of magnitude greater than in other terrestrial vertebrate groups. This has led to a suite of physiological, morphological and behavioural adaptations that have allowed a successful terrestrial existence in spite of this apparently spendthrift water retention strategy. Ecological and Environmental Physiology of Amphibians provides a synthesis of current research on the comparative physiology of amphibians with a particular emphasis on water balance. It adopts a strong environmental perspective and includes a wealth of information on ecology, phylogeny and development. As with other books in the Ecological and Environmental Physiology Series, the emphasis in this book is on the unique physiological characteristics of the amphibians, although the latest experimental techniques and future research directions are also considered. This accessible text is suitable for both graduate students and researchers in the fields of amphibian comparative physiology and physiological ecology, including specialist courses in amphibian ecology. It will also be of value and use to the many professional herpetologists requiring a concise overview of the topic.
1 975 kr
Skickas inom 5-8 vardagar
This practical handbook of reptile field ecology and conservation brings together a distinguished, international group of reptile researchers to provide a state-of-the-art review of the many new and exciting techniques used to study reptiles. The authors describe ecological sampling techniques and how they are implemented to monitor the conservation status and population trends of snakes, lizards, tuatara, turtles, and crocodilians throughout the world. Emphasis is placed on the extent of statistical inference and the biases associated with different techniques and analyses.The chapters focus on the application of field research and data analysis for achieving an understanding of reptile life history, population dynamics, movement patterns, thermal ecology, conservation status, and the relationship between reptiles and their environment. The book emphasises the need for thorough planning, and demonstrates how a multi-dimensional approach incorporates information related to morphology, genetics, molecular biology, epidemiology, statistical modelling, animal welfare, and biosecurity. Although accentuating field sampling, sections on experimental applications in laboratories and zoos, thermal ecology, genetics, landscape ecology, disease and biosecurity, and management options are included. Much of this information is scattered in the scientific literature or not readily available, and the intention is to provide an affordable, comprehensive synthesis for use by graduate students, researchers, and practising conservationists worldwide.
773 kr
Skickas inom 5-8 vardagar
This practical handbook of reptile field ecology and conservation brings together a distinguished, international group of reptile researchers to provide a state-of-the-art review of the many new and exciting techniques used to study reptiles. The authors describe ecological sampling techniques and how they are implemented to monitor the conservation status and population trends of snakes, lizards, tuatara, turtles, and crocodilians throughout the world. Emphasis is placed on the extent of statistical inference and the biases associated with different techniques and analyses.The chapters focus on the application of field research and data analysis for achieving an understanding of reptile life history, population dynamics, movement patterns, thermal ecology, conservation status, and the relationship between reptiles and their environment. The book emphasises the need for thorough planning, and demonstrates how a multi-dimensional approach incorporates information related to morphology, genetics, molecular biology, epidemiology, statistical modelling, animal welfare, and biosecurity. Although accentuating field sampling, sections on experimental applications in laboratories and zoos, thermal ecology, genetics, landscape ecology, disease and biosecurity, and management options are included. Much of this information is scattered in the scientific literature or not readily available, and the intention is to provide an affordable, comprehensive synthesis for use by graduate students, researchers, and practising conservationists worldwide.
108 kr
Skickas inom 5-8 vardagar
For millions of years reptiles have walked, crawled, and slithered over the face of our Earth. From the mighty dinosaurs who dominated the land, the pterosaurs who took to the air, and the marine adapted ichthyosaurs, to the living reptiles today such as the lizards, snakes, crocodiles, and turtles, plus the single species of tuatara in New Zealand, reptiles have come in all shapes and sizes. In this Very Short Introduction Tom Kemp discusses the adaptations reptiles made to first leave the sea and colonise the land in dry conditions, such as their waterproof skin, their ability to expel almost dry waste products, their efficient use of external heat for maintaining their body temperature, and the amniotic egg that is laid and develops on dry land. Considering the different living groups of reptiles today, Kemp then describes how their respective bodies are adapted for their different ways of life, from snake feeding patterns to the way crocodiles breathe. Finally, Kemp assesses the threat of extinction to reptile species due to over-exploitation, habitat destruction, and climate change, and considers what can be done.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.
108 kr
Skickas inom 5-8 vardagar
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.