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Animal Disease Surveillance and Survey Systems: Methods and Applications edited by Mowafak Dauod Salman (Iowa State Press) addresses the growing need in veterinary epidemiology and regulatory medicine. This valuable text offers readers practical information on monitoring, surveillance, control and eradication of animal disease. Regulations based on animal diseases, demands for accountability in use of research funds, and demands for economic justification of animal health regulatory and diagnostic activities call for a comprehensive text and M.D. Salman, Professor of Veterinary Epidemiology of Colorado State University and Director of Animal Population Health Institute, College of Veterinary Medicine and Biomedical Sciences, answers the call. More

Owls of the World: Their Lives, Behavior and Survival by James R. Duncan (Firefly) An in-depth reference to owls around the world. More

Snakes of the United States and Canada by Carl H. Ernst, Evelyn M. Ernst (Smithsonian) This ultimate reference presents detailed information and color photos for all snake species found in the U.S. and Canada World-renowned snake expert Carl Ernst and coauthor Evelyn Ernst reveal the unusual lifestyles of these fascinating creatures, describing every known aspect of each of the 131 species found in the United States and Canada. From the venomous rattlers to the docile garter snakes, each species is shown to display a unique set of behaviors and adaptations to its environment. Snakes have long fascinated those interested in nature. These master hunters of the rep­tile world have evolved a legless body that allows them to slip into burrows, cracks, and crevices or simply coil themselves around a branch while waiting for a bird to alight. Then, with astonishing speed, they strike their quarry. Now their secret world is explained as Carl and Evelyn Ernst present virtually all that is known about each of the 131 species of snakes found in the United States and Canada. Their clear writing coupled with color photographs and a range map for each species results in a book that explains how to identify each snake, where the snakes occur, and how they behave. Detailed information is given about each snake's morphology, reproduc­tion, growth rate, diet, and predators. More

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