Endangered Species Program

The mission of the U.S. Fish and Wildlife Service's Endangered Species program is conserving and restoring threatened and endangered species and their ecosystems.

U.S. Fish and Wildlife

Service in the Midwest

The Midwest Region includes Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Ohio and Wisconsin.
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Range-wide Indiana Bat Survey Guidelines

Unless otherwise noted, these Indiana bat survey guidelines can also be used for the northern long-eared bat.

A biologist holds an antennae over his head with one hand iwth a device in his other hand. He is triangulating the location of an Indiana bat that has been fitted with a transmitter.

To find a day roost, a biologist triangulates the location of an Indiana bat fitted with a radio transmitter.

Photo by Mike Coffey; USFWS

Automated Acoustic Bat ID Software Programs

History of the Summer Survey Guidance Development

2019 Survey Guidelines

2019 Survey Guidelines April 2019

2019 Bat Reporting Spreadsheets

Instructions - revised April 2018

Questions and Answers about Use of Standardized Spreadsheets for Reporting Bat Survey Data

Region 2 Spreadsheet (Excel)

Region 3 Spreadsheet (Excel) - revised 2018

Region 4 Spreadsheet (Excel) - revised 2018

Region 5 Spreadsheet (Excel) - revised 2018

Region 6 Spreadsheet (Excel) - revised 2018

Bat ID Acoustic Software

Automated Acoustic Bat ID Software Programs

Background

Methods to Evaluate and Develop Minimum Recommended Summer Survey Effort for Indiana Bats: White Paper Jan. 13, 2014 (13-page PDF )

Addendum 1 - Methods to Evaluate and Develop Minimum Recommended Summer Survey Effort for Indiana Bats: White Paper

Glossary of Acoustic Bat Survey Terms