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Data de inscrição : 09/08/2018 
CROCODILIANS - BOOKS
Ter Ago 21, 2018 4:14 pm
CROCODILIANS - BOOKS
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- Mensagens : 560
Data de inscrição : 09/08/2018
Biology and Evolution of Crocodylians
Ter Ago 21, 2018 4:22 pm
Crocodiles, alligators, caimans, and gharials―the Crocodylia, known collectively as crocodylians (or crocodilians)―are the world’s largest living reptiles. The largest of them, probably the estuarine or saltwater crocodile, Crocodylus porosus, can grow to almost twenty feet and weigh more than two thousand pounds. Crocodylians are creatures of great contrast. They can remain patiently still for ages, yet can also move like lightning to snap up a meal. They are formidably strong, active predators, with jaws that can tear apart large prey items, yet a mother or a father can gently assist hatchlings out of the eggs, and carry them to the water between their teeth. Because large crocodylians can (and do) eat people, they invite fear and loathing, but they also inspire curiosity and admiration.
Biology and Evolution of Crocdylians is a comprehensive review of current knowledge about the world’s largest and most famous living reptiles. Gordon Grigg’s authoritative and accessible text and David Kirshner’s stunning artwork and color photographs combine expertly in this contemporary celebration of crocodiles, alligators, caimans, and gharials. This book showcases the skills and capabilities that allow crocodylians to live how and where they do. It covers the biology and ecology of the extant species, conservation issues, crocodilian-human interaction, and the evolutionary history of the group.
Richly illustrated with more than five hundred color photographs and black-and-white illustrations, this book will be a
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Data de inscrição : 09/08/2018
Alligators and Crocodiles!: Strange and Wonderful
Ter Ago 21, 2018 4:47 pm
Meet Earth's largest living reptile. Crocodile-like animals lived on Earth more than two hundred million years ago. They outlived the dinosaurs. Today their descendants are found on five continents. They belong to a special group of reptiles called crocodilians. These animals are strange and wonderful indeed. For example, ferocious-looking mother alligators treat their hatchlings with tender care. Crocodilians may seem awkward on land, but they can move quickly. Usually they wait and watch from the water, then ambush their prey. From baby alligators that call to "Mom" from inside their eggs to grown alligators and crocodiles that bellow and roar, Laurence Pringle takes readers into the world of nature's largest—and noisiest—living reptiles. Bold, realistic illustrations by Meryl Henderson show every crocodilian species as well as details of their bodies and fascinating behavior.
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American Alligator: Ancient Predator in the Modern World
Ter Ago 21, 2018 4:49 pm
“From prehistoric relatives to post-endangered status, Ouchley provides a comprehensive review of the alligator, an iconic southern creature.”—Michael K. Steinberg, author of Stalking the Ghost Bird
“The conservation of the American alligator is one of history’s best examples of the sustainable-use model for wildlife conservation. The effort to preserve the alligator has contributed to the conservation of wetlands and many other wetland-dependent species throughout its range. Ouchley does an outstanding job of explaining the mysteries of this keystone species.”—Robert Barham, Secretary of Louisiana Department of Wildlife and Fisheries
“Kelby Ouchley is part of a generation of wildlife professionals that helped bring the American alligator back from the brink of extinction. He provides fascinating insights into its fight for survival.”—Jim Kurth, Chief of National Wildlife Refuge System, U.S. Fish and Wildlife Service
Having survived since the Mesozoic era, alligators teetered on the brink of extinction in the 1960s. Their recovery in the 1970s and 1980s was largely due to legislative intervention, and today populations are closely monitored throughout their range. American Alligator is the most up-to-date and comprehensive treatment of this resilient relic, a creature with a brain weighing less than half an ounce that has successfully adapted to a changing Earth for more than 200 million years.
Kelby Ouchley chronicles the evolution of Alligator mississippiensis from “shieldcroc”—the last common ancestor of modern-day alligators, crocodiles, caimans, and the gharial—to its current role as keystone of the ecological health of America’s southern swamps and marshes. In Florida, the apex predator uses its snout and feet to clear muck from holes in the limestone bedrock. During the dry season, these small ponds or “alligator holes” provide refuge, food, and water for a variety of wildlife. In Louisiana, millions of dollars are spent on the bounty of the non-native nutria that overgraze marsh vegetation, but alligators prey on these coastal rodents free of charge.
Today only twenty-three species of crocodilians remain. That the alligator lineage survives at all, having successfully weathered millions of years of environmental change, speaks to an impressive degree of fitness and adaptability.
The loss of the American alligator would be a blow to biodiversity and an ecosystem disruption affecting all levels of the food chain. While the U.S. Fish and Wildlife Service removed it from the endangered species list in 1987 and today regulates the legal trade of the animal and its products, Ouchley cautions us not to forget the lessons learned: human activities, from urban development to energy production, can still threaten the future of the gator and its southern wetland habitat.
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Crocodile: Evolution's Greatest Survivor
Ter Ago 21, 2018 4:50 pm
Following the fascinating history of the crocodile, this story tells the tale of an ancient animal whose ancestors have roamed the earth since the time of the dinosaurs. Addressing the true nature of this intriguing animal, this resource explores its evolutionary survival, the 23 living species in the world today, and the extinction they face due to habitat intrusion. Also explored are the myths and legends surrounding crocodiles and the vicious reputation they have amongst humans.
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- Mensagens : 560
Data de inscrição : 09/08/2018
Crocodilians - Their Natural History & Captive Husbandry
Ter Ago 21, 2018 4:52 pm
This book provides a wealth of new and old information about all aspects of crocodilians (evolution, taxonomy, physiology, anatomy, behavior, ecology, feeding, attacks on humans, conservation, management, sustainable use), and will be of extreme value to anyone with a professional or amateur interest in crocodilians. The first hand experience and new knowledge about captive husbandry will be invaluable to those with an interest in this area. What makes this book particularly special is that in addition to the authors being experts in crocodilian science, which they compile and present with great clarity, they are all experienced keepers of crocodilians. This growing interest group, united by the enjoyment of caring for and being close to crocodilians, is rapidly becoming a key player in general research and more importantly, in the conservation of wild crocodilian populations threatened with extinction. The energy and commitment within this growing cadre of people is remarkable. They value crocodilians for new reasons, but because they value them, they put resources into their conservation. With over 430 photos and 646 pages, this book is a monumental achievement to be found nowhere else! Hardcover.
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The Chinese Alligator: Ecology, Behavior, Conservation, and Culture
Ter Ago 21, 2018 5:07 pm
The rare and endangered Chinese alligator has long held a prominent place in Chinese culture and mythology. Here John Thorbjarnarson and Xiaoming Wang, who have been at the forefront of efforts to conserve these remarkable creatures, provide comprehensive details about the biology, behavior, history, and cultural and conservation significance of the animal thought to be the basis of the Chinese dragon legend.
Though more than 10,000 Chinese alligators live in zoos and breeding facilities, just a few hundred still exist in the wild. Much of their natural habitat has been lost to human development, leaving wild Chinese alligators clinging to small areas where the Yangtze River meets the Pacific Ocean. Thorbjarnarson and Wang recount how and why the species declined to the point where it is perhaps the most threatened of all crocodilians, discuss ongoing conservation works, and project what the future is likely to bring for the Chinese alligator. Their scientific synthesis sits in stark contrast to the alligators' unique relationship with Chinese culture, where folklore views it as a water deity related to dragons.
Illustrated throughout and featuring the most up-to-date biological information available, this volume is a complete overview of the Chinese alligator, a conservation and cultural icon.
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