Travelers and traders taking the Santa Fe Trail's routes from Missouri to New Mexico wrote vivid eyewitness accounts of the diverse and abundant wildlife encountered as they crossed arid plains, high desert, and rugged mountains. Most astonishing to these observers were the incredible numbers of animals, many they had not seen before--buffalo, antelope (pronghorn), prairie dogs, roadrunners, mustangs, grizzlies, and others. They also wrote about the domesticated animals they brought with them, including oxen, mules, horses, and dogs. Their letters, diaries, and memoirs open a window onto...