Endangered species

Legal requirements

Federal

State

FDM references

Forms/Templates

See the Forms and tools page for factor sheets

Appendix D Bridge/Culvert and Structure Bat Assessment Form

Guidance

Bats

Submit bat inspection forms for WisDOT projects to dotecologyprogram@dot.wi.gov

Bat inspections for building demolitions - Q&A

Decision Tree for combining bat and asbestos inspections for bridges and culverts

Northern Long-Eared Bat Frequently Asked Questions

Northern Long-Eared Bat guidance for Non-Federal Actions

Overview of bat inspections for building demolitions

Bees

Rusty Patched Bumble Bee proposed critical habitat guidancenew icon January 2, 2025

Biological Assessments

Guidance for Endangered Species Act Biological Assessments and Section 7 Formal consultation/conference

Butterflies

Regal Fritillary Butterfly - proposed listing guidance

Monarch Butterfly proposed listing guidancenew icon January 2, 2025

Karner Blue Butterfly Range Update - Guidance and Maps May 29, 2025

Mussels

Proposed critical habitat guidance for Sheepnose, Snuffbox, and Spectaclecase Mussels new icon March 20, 2025

Salamander Mussel guidance December 21, 2023

Resources