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Northern Long-Eared Bat (Myotis septentrionalis)Status: Threatened with 4(d) Rule
Northern long-eared bat with symptoms of white-nose syndrome. Photo by Steve Taylor; University of Illinois
Bats are critical to our nation’s ecology and economy, eating tons of insects nightly and providing a natural benefit to farmers and foresters. Some research estimates that bats provide at least $3 billion annually in economic value.
Status: Threatened: April 2, 2015 Final 4(d) Rule: January 14, 2016
Habitat: Hibernates in caves and mines - swarming in surrounding wooded areas in autumn. During late spring and summer roosts and forages in upland forests.
Lead Region: 3
Region 3 Lead Office: Twin Cities Field Office
Range: Alabama, Arkansas, Connecticut, Delaware, the District of Columbia, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, New Hampshire, New Jersey, New York, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Vermont, Virginia, West Virginia, Wisconsin, and Wyoming.
Summer Survey Guidance - the Indiana bat 2015 Summer Survey Guidance can be used for northern long-eared bat presence/probable absence surveys for the 2015 field season.
Section 7 consultation for projects that fit under 4(d) rule
WNS Zone Map - this map is updated on the first of every month if there are new counties with verified occurrences of white-nose syndrome or Pseudogymnoascus destructans (Pd), the fungus that causes the disease.
Northern Long-eared Bat Images
The northern long-eared bat is one of the species of bats most impacted by the disease white-nose syndrome. Due to declines caused by white-nose syndrome as well as continued spread of the disease, the northern long-eared bat was listed as a threatened species under the Endangered Species Act on April 2, 2015. At the same time we established an interim 4(d) rule that identified protections provided under the Act. We also opened a 90-day public comment period on the interim 4(d) rule. Afer reviewing comments we developed a final 4(d), which publishes in the Federal Register on January 14, 2016.
Final 4(d) Rule - Jan. 14, 2016
Federal Register Final 4(d) Rule
Briefing Slides: About the 4(d) Rule (PDF)
NEW! Section 7 Consultation for Federal Projects that fit under the 4(d) Rule
Key to the 4(d) Rule for Non-federal Projects
Hibernacula and Maternity Roost Tree Locations
WNS Zone Map (1-page PDF Map revised Feb. 29, 2016. The WNS Zone map is updated on the first of every month if there are new counties with verified occurrences of white-nose syndrome or Pseudogymnoascus destructans (Pd), the fungus that causes the disease. On Feb. 29, 2016, the file was updated to reflect that Shannon County, South Dakota changed its name to Oglala Lakota County in 2015. This also resulted in a change to the numeric code representing this county.
Counties in WNS Zone (Excel Spreadsheet) Updated Feb. 29, 2016. Counties in the WNS Zone are updated on the first of every month if there are new counties with verified occurrences of white-nose syndrome or Pseudogymnoascus destructans (Pd), the fungus that causes the disease. On Feb. 29, 2016, the file was updated to reflect that Shannon County, South Dakota changed its name to Oglala Lakota County in 2015. This also resulted in a change to the numeric code representing this county.
Counties in Northern Long-eared Bat Range (Excel Spreadsheet) Updated Feb. 29, 2016. The update to the county list does not represent a change in the geographic extent of the northern long-eared bat range. The file was updated to reflect that Shannon County, South Dakota changed its name to Oglala Lakota County in 2015. This also resulted in a change to the numeric code representing this county. About Northern Long-eared BatsThe northern long-eared bat is found in the United States from Maine to North Carolina on the Atlantic Coast, westward to eastern Oklahoma and north through the Dakotas, even reaching into eastern Montana and Wyoming. In Canada it is found from the Atlantic Coast westward to the southern Yukon Territory and eastern British Columbia.
Species Profile (Petitions, status reviews and conservation documents)
Northern Long-eared Bat Images on Flickr
About Listing as Threatened (April 2, 2015)
Final Rule to List as Threatened (61-page PDF
Literature Cited in Final Rule (40-page PDF
About Bats
White-nose Syndrome. org: A Coordinated Response to the Devastating Bat Disease
White Nose-Syndrome Fact Sheet (June 2014) (2-page PDF
Bat Box Fact Sheet Minnesota | Indiana | Wisconsin
Economic Importance of Bats in Agriculture (Science 1 April 11)
Section 7 ConsultationSection 7 Consultation for Federal Projects that fit under the 4(d) Rule
Biological Opinions - final Biological Opinions for federal actions that may affect northern long-eared bats
Section 7 Technical Assistance Website - explains section 7 of the Endangered Species Act and provides step-by-step instructions for the consultation process.
ArchivesArchived Documents and Information Materials from Previous Federal Actions
Midwest Endangered Species Home National Endangered Species Home
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Last updated:
March 14, 2016
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