Get close to swallowtails, fritillaries, monarchs, blues, and other Colorado butterflies while learning about their miraculous transformations and unique adaptations. Striking photos and clear descriptions make it easy to identify common species. A month-by-month occurrence chart reveals when and where to look for your favorite butterflies.
Janet Chu taught high school Biology for 38 years and has conducted butterfly population studies on Boulder County open space for 10 years, documenting nearly 200 species. Since 1983 she has organized the annual Fourth of July butterfly count at the Cal-Wood Education Center in western Boulder County.
Stephen Jones is author of The Last Prairie, a Sandhills Journal and co-author of The Shortgrass Prairie, the Peterson Field Guide to the North American Prairie, and Wild Boulder County. He works as a teacher and wildlife consultant.