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A Natural History of Amphibians by Robert C. Stebbins,Nathan W. Cohen Pdf
This is a book for all readers who want to learn about amphibians, the animal group that includes frogs, toads, salamanders, and caecilians. It draws on many years of classroom teaching, laboratory experience, and field observation by the authors. Robert Stebbins and Nathan Cohen lead readers on a fascinating odyssey as they explore some of nature's most interesting creatures, interspersing their own observations throughout the book. A Natural History of Amphibians can serve as a textbook for students and independent learners, as an overview of the field for professional scientists and land managers, and as an engaging introduction for general readers. The class Amphibia contains more than 4,500 known living species. New species are being discovered so rapidly that the number may grow to more than 5,000 during our lifetimes. However, their numbers are being rapidly decimated around the globe, largely due to the encroachment of humans on amphibian habitats and from growing human-caused environmental pollution, discussed at length in the final chapter. The authors focus our attention on the "natural history" of amphibians worldwide and emphasize their interactions with their environments over time: where they live; how they reproduce; how they have been affected by evolutionary processes; what factors will determine their destinies over time. Through the experienced eyes of the authors, who are skilled observers, we come to see and understand the place of amphibians in the natural world around us.
This book deals with reproduction of Amphibians belonging to three extant orders: Caecilians, Salamanders, Frogs and Toads. Separate chapters have been written for males and females; the chapters describe gonad structure and development, gametogenesis, urogenital connections, and reproductive tracts. The authors have provided a synthesis of the lit
"Not many people report being bitten by a frog, but many will notice the weird ooze that seeps out of a toad's skin when they're picked up. These are just two strange adaptations that have helped amphibians survive in their environment. That's also why salamanders need the ability to regrow limbs, or even part of their brain. Curious future scientists learn all about these awesome adaptations as well as other important topics such as the unique amphibian life cycle, all complemented by full-color, up-close photographs."
Frogs, toads, salamanders, and newts are among pet owner's favorite amphibians, and this colorful guide proves the perfect introduction to these fascinating animals. Author Philippe de Vosjoli provides guidelines for keeping the most popular species of amphibians, highlighting Oriental fire-bellied toads, leopard frots, dwarf clawed frogs, fire-bellied newts, and tiger salamanders. For each he provides insight into commonly kept species, systematics, distribution and origins, size, longevity, sexing, housing, feeding, behavior, breeding, and more. This Advanced Vivarium Systems title includes information about selecting a healthy example, quarantine and acclimation considerations, housing needs, water and feeding, as well as solid advice about keeping the amphibian healthy. A separate chapter on diseases and disorders provides a complete primer on the health needs and veterinary care of these rewarding amphibians.
The Encyclopedia of Amphibians by Robert Hofrichter Pdf
A comprehensive reference to the world of the amphibian A fascinating world of scientific wonders, the amphibian species is full of unusual and extreme adaptions and is home to numerous unsolved mysteries. The Encyclopedia of Amphibians is your guide to these intriguing and diverse creatures. Amphibians, including frogs, toads, newts and salamanders, surpass all other vertebrate species in survival and reproduction strategies. In addition, as the stunning photographs depict, amphibians are also creatures of extreme beauty. Many tropical tree- and poison-arrow frogs are just as dazzling in appearance as some of the world`s most colourful birds. Scientific experts from all over the globe have contributed their knowledge and understanding of amphibians to this comprehensive volume. An excellent resource for both experienced and amateur scientists, The Encyclopedia of Amphibians includes information on thousands of amphibian species from throughout the world. This useful reference guide also includes information on the biology, physiology and evolution of amphibians, as well as chapters on Ecology and Ethology, The Meaning of Amphibians for Mankind and Endangerment and Species Protection. Fascinating and informative, The Encyclopedia of Amphibians is one of the most comprehensive books available on this adaptive and ubiquitous species. (2000)
Most people know what a frog looks like on the outside, but what goes on inside its body? With the help of this ingenious book, inquisitive readers will learn all about the internal features of frogs and other amphibians. Colorful diagrams show readers what the insides of animals such as newts, salamanders, and toads look like. Simple labels and captions help readers understand key functions of the different parts of the amphibians' bodies. Vibrant illustrations paired with accessible text support the understanding of key concepts in this exciting must-have book for young animal lovers.