Capybaras--the largest rodents in the world--show little resemblance to their guinea pig relatives. Robust and agile, they reach the size of a small pig and weigh upward of 100 pounds at maturity. This natural history details all aspects of the present body of information about their anatomy, ecology, behavior, biology, conservation, management, and taxonomy. Capybaras range throughout South American tropical wetlands. Largely extirpated from their...