South Dakota ES - Staff
Mountain-Prairie Region
Graphic button showing the 8 state mountain prairie region



Phone (605) 224-8693 |

Amity Bass
Field Supervisor, North and South Dakota Ecological Services
(605) 224-8693 ext 224

Charlene "Charlie" Bessken
Fish & Wildlife Biologist

(605) 224-8693 ext: 231

Western Prairie Fringed Orchid, American Burying Beetle, Mussels, Poweshiek Skipperling, Monarchs, Butterflies, Bats, Northern Long-eared Bat, Eagles, Dippers, Mountain Plover, Amphibians, Reptiles, Bumblebees, Pollinators, Leedy's Roseroot

Other: Section 7 Reviews - USFS, Cell towers, powerlines, pipelines, water/sewer projects, etc.

Matt Schwarz
Environmental Contaminants Specialist

(605) 224-8693 ext: 232

Black-footed Ferret, Black-tailed Prairie Dog, Plains Spotted Skunk

Other: water quality, pesticides, wildlife mortality investigations, and hazardous release response planning and assessment


Sharon Blair
Administrative Support Assistant

(605) 224-8693 ext: 223

Natalie Gates
Senior Biologist

(605) 224-8693 ext: 227

Piping Plover, Least Tern, Whooping Crane, Topeka Shiner, Regal Fritillary

Other: Wind Projects

Dylan Turner
Fish & Wildlife Biologist

(605) 224-8693 ext: 233

Topeka Shiner, Pallid Sturgeon, Shovelnose Sturgeon, Sicklefin Chub, Sturgeon Chub, Blanding's Turtle


Daniel Kim
Grassland Birds / Pollinator Biologist

(605) 224-8693 ext: 234

Regal Fritillary, Dakota Skipper, Pollinators, Grassland Birds

Other: Section 7 Reviews


The mission of the U.S. Fish and Wildlife Service is working with Others to conserve, protect, and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American People.
Last modified: August 13, 2021
All Images Credit to and Courtesy of the U.S. Fish and Wildlife Service Unless Specified Otherwise.
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