Biologist Michael Collins has been studying wild silk moths since he was a boy. This family--which includes the largest and most colorful of the North American moths--led Collins into a long career as a scientist, and has provided him with significant insights into the process by which new species evolve. Moth Catcher is Collins's engaging account of his development as a scientist and of his groundbreaking research. The canyon and pass environments of the American West offer a setting in which, since the last Ice Age, organisms have adapted to new surroundings and where many have formed new...