Regional Bat Working Groups
Midwest Bat Working Group
- Illinois
- Indiana
- Iowa
- Michigan
- Minnesota
- Missouri
- Ohio
- Wisconsin
Northeast Bat Working Group
- Connecticut
- Delaware
- Maine
- Massachusetts
- New Hampshire
- New Jersey
- New York
- Ohio
- Pennsylvania
- Rhode Island
- Vermont
- Virginia
- West Virginia
Southeastern Bat Diversity Network
- Alabama
- Arkansas
- Florida
- Georgia
- Kentucky
- Louisiana
- Maryland
- Mississippi
- Missouri
- North Carolina
- South Carolina
- Tennessee
- Texas
- Virginia
- West Virginia
Western Bat Working Group
- Alaska
- Arizona
- California
- Colorado
- Idaho
- Montana
- Nevada
- New Mexico
- North Dakota
- Oregon
- South Dakota
- Texas
- Utah
- Washington
- Wyoming
