Endangered Species Surveys
- Field surveys for amphibians, reptiles, birds, mammals, fish, and insects
- Surveys for plants ranging from asters to sedges to violets
- Surveys for species on state and federal lands
- U.S. Fish and Wildlife Service (USFWS) Biological Assessments
- Mitigation Planning
- Agency Coordination
- USFWS Certified for Phase 1 and Phase 2 Bog Turtle Surveys
- Indiana bat surveys
- Monitoring for listed species during construction
Since our founding, TES biologists have conducted endangered species investigations for a wide variety of plants and animals. Our efforts have extended from sites less than an acre in size to the Susitna River basin in interior Alaska. These studies are usually performed on behalf of clients for proposed development or remediation projects, often as part of environmental permitting.











