Legal requirements
Federal
State
FDM references
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FDM 20-55 Agency Coordination for Environmental Documentation and Permitting
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FDM 24-15 Wildlife
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FDM 24-10 Threatened and Endangered Species
WisDOT forms and tools page
See the
Forms and tools page for factor sheets
Guidance/forms
Bats
Submit bat inspection forms for WisDOT projects to
dotecologyprogram@dot.wi.gov
Overview of bat inspection for building demolitions
February 5, 2026
Bat inspections for building demolitions - Q&A February 5, 2026
Decision Tree for combining bat and asbestos inspections for bridges and culverts
Bats and transportation projects frequently asked questions August 5, 2025
Northern Long-Eared Bat guidance for Non-Federal Actions
FHWA/FRA/FTA Section 7 Range-Wide Consultation for Indiana Bat, Northern Long-Eared Bat, and Tricolored Bat
Appendix D Bridge/Culvert and Structure Bat Assessment Form
Bees
Rusty Patched Bumble Bee proposed critical habitat guidance
Biological Assessments
Guidance for Endangered Species Act Biological Assessments and Section 7 Formal consultation/conference April 9, 2026Biological Assessment updates for preparers 
April 9, 2026
Butterflies
Regal Fritillary Butterfly - proposed listing guidance
Monarch Butterfly proposed listing guidance
Karner Blue Butterfly Habitat Conservation Plan
Karner Blue Butterfly Range Update - Guidance and Maps
Fish
State threatened/endangered fish broad incidental take permit/authorization guidance December 9, 2025
Mussels
Proposed critical habitat guidance for Sheepnose, Snuffbox, and Spectaclecase Mussels
Salamander Mussel guidance
Plants
Eastern Prairie Fringed Orchid guidance
Resources