Books By Robert W. Hansen, Jackson D. Shedd - Author

Robert W. Hansen is an affiliated researcher with the Museum of Vertebrate Zoology at the University of California, Berkeley, and served as editor of the Herpetological Review from 1991 to 2021. Jackson D. Shedd is a scientific illustrator, herpetologist, wildlife photographer, and independent researcher. He is a departmental associate with the San Diego Natural History Museum.