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This book summarizes the evolution of carnivorous mammals in the Cenozoic of South America. It presents paleontological information on the two main mammalian carnivorous groups in South America; Metatheria and Eutheria. The topics include the origin, systematics, phylogeny, paleoecology and evolution of the Sparassodonta and Carnivora. The book is based on a wide variety of published sources from the last few decades.
This book is designed as a source and reference for people interested in the history and fossil record of North American tertiary mammals. Each chapter covers a different family or order, and includes information on anatomical features, systematics, the distribution of the genera and species at different fossil localities, and a discussion of their paleobiology. Many of these groups have never been covered in this fashion before.
Two noted paleontologists present a detailed portrait of the family Canidae across 40 million years of evolution in this illustrated volume. After decades of research and analysis, paleontologists Xiaoming Wang and Richard H. Tedford established the modern framework for understanding the evolutionary relationship of canids. Combining their work with Mauricio Antón's reconstructions of both extinct and extant species, Wang and Tedford now present a nuanced and visually stunning portrait of the origin and evolution of canids. The fossil record of the Canidae, particularly those from their birthplace in North America, are the strongest of their kind among known groups of carnivorans. Such a wonderfully detailed evolutionary history makes the canid an ideal model organism for the mapping of predator behavior and morphological specializations. With its innovative illustrated approach to this important branch of animal and fossil study, Dogs provides an unprecedented reference for anyone interested in the evolution of these fascinating animals.
Because carnivores are at the top of the food chain, their status is an important indicator of the health of the world ecosystem. They are intensely interesting to zoologists and uniquely intriguing to the general public. Devoted primarily to terrestrial carnivores, this volume focuses on such themes as carnivore reintroduction programs and the ethics of studying carnivores, drawing examples from a variety of species. The need to evaluate new conceptual ideas and empirical data inspired this volume of Carnivore Behavior, Ecology, and Evolution, a complement to the original book. In the eight years since publication of the first volume, conservation has emerged as a thematic imperative. The study of carnivores has become even more important in raising and resolving crucial biological problems. Differential rates of mortality in the giant panda and other endangered carnivores are now known to influence dispersal and life history patterns basic to these species' survival. Reintroduction efforts of the black-footed ferret and the red wolf are establishing essential guidelines for preservation and management of endangered species. Studies of the African lion and the dwarf mongoose illustrate the power of new genetic techniques of DNA fingerprinting for understanding the evolution of social behavior.
The word raccoon is drawn from the Native American Algonquian language. Their term arakun roughly translates to “he who scratches with his hands.” Anyone who has found a raccoon rummaging around in a once securely closed trash container can attest to how skillful raccoons are with their front paws. In fact, they have four times as many sensory receptors in their forepaw skin as they do in their hindpaws, a ratio similar to that of human hands and feet. Samuel Zeveloff explores this trait and much more in his accessible natural history of raccoons. Written with the general reader in mind, Raccoons presents detailed information on raccoon evolution, physical characteristics, social behavior, habitats, food habits, reproduction, and conservation, as well as their relationship with humans and many other topics. The section on distribution and subspecies focuses on the raccoon’s current range expansion, and the material on their cultural significance demonstrates this mammal’s unique status in different North American cultures.
As explorers and scientists have known for decades, the Neotropics harbor a fantastic array of our planet’s mammalian diversity, from capybaras and capuchins to maned wolves and mouse opossums to sloths and sakis. This biological bounty can be attributed partly to the striking diversity of Neotropical landscapes and climates and partly to a series of continental connections that permitted intermittent faunal exchanges with Africa, Antarctica, Australia, and North America. Thus, to comprehend the development of modern Neotropical mammal faunas requires not only mastery of the Neotropics’ substantial diversity, but also knowledge of mammalian lineages and landscapes dating back to the Mesozoic. Bones, Clones, and Biomes offers just that—an exploration of the development and relationships of the modern mammal fauna through a series of studies that encompass the last 100 million years and both Central and South America. This work serves as a complement to more taxonomically driven works, providing for readers the long geologic and biogeographic contexts that undergird the abundance and diversity of Neotropical mammals. Rather than documenting diversity or distribution, this collection traverses the patterns that the distributions and relationships across mammal species convey, bringing together for the first time geology, paleobiology, systematics, mammalogy, and biogeography. Of critical importance is the book’s utility for current conservation and management programs, part of a rapidly rising conservation paleobiology initiative.
This volume provides the first full description and analysis of the postcranial skeleton of the Tertiary canid subfamily Borophagine. Borophagines have been stereotyped as noncursorial, bone-crushing scavengers, but comparisons with Recent digitigrade carnivores reveal a surprising diversity of habit among borophagines. The author relates functional characteristics to various aspects of borophagine paleoecology, including habitat, diet, social organization, and extinction.