Dan Dourson is a biologist/ naturalist/ illustrator who has spent most of his adult life dedicated to the preservation, conservation and understanding of the planet’s more obscure species. An employee of the US Forest Service for nearly 20 years, he worked to safeguard a myriad of species including snails, mussels, bats, reptiles, amphibians and other creatures too often ignored or misunderstood. Dan has also conducted biological inventories for the Nature Conservancy, US Fish and Wildlife Service, Kentucky State Parks, Kentucky Department of Fish and Wildlife Resources, West Virginia DNR and has worked for more than a decade studying land snails in the Great Smoky Mountains National Park, USA as part of the ATBI, Discover Life in America Project.

He continues to work on land snail inventories in eastern North America and served as resident biologist for BFREE for seven years. He has authored or illustrated nearly a dozen books and remains committed to conservation work protecting Earth’s most amazing and unappreciated organisms. His allegiance with the natural world is clearly reflected through his writing and simple lifestyle.


Dourson, D. (nd). Land snails of the Bladen Nature Reserve.

Dourson, D. (nd). Using land snails as a biological indicator for monitoring anthropogenic pollutants in the Maya Mountain Massif of Belize.

Dourson, D.C., Caldwell, R.S., Garcia, W. & Loukes, K. (2011). Land snails of the Maya Mountains with notes on significance to other organisms in Southern Belize (Toledo District), Central America. Mesoamericana 15(3): 31-42.

Dourson, D.C. & Caldwell, R.S. (nd) Land snails of Belize. Poster.