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Northern Long-Eared Bat (Myotis septentrionalis)
Northern Long-eared Bat Listed as Threatened with Interim 4(d) Rule
Comment Period on Interim 4(d) Rule Open Through July 1
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 received protection as a threatened species under the Endangered Species Act.
The Service proposed the northern long-eared bat as endangered in October 2013. During review of the threats, we determined the northern long-eared bat meets the Endangered Species Act’s definition of threatened. Under the Act, a threatened species is likely to become endangered in the foreseeable future, while an endangered species is currently in danger of becoming extinct.
The interim 4(d) rule provides flexibility to landowners, land managers, government agencies and others as they conduct activities in northern long-eared bat habitat. Given the significant number of comments received in response to the 4(d) rule as proposed on January 15, 2015, we also opened a 90-day comment and will accept further input on the interim rule through July 1, 2015.
Final Rule (61-page PDF)
Literature Cited in Final Rule (40-page PDF)
WNS Buffer Zone Map (1-page PDF)
Updated June 30, 2015. The WNS Buffer 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.
Counties in WNS Buffer Zone (Excel Spreadsheet)
Updated June 30, 2015. Counties in the WNS Buffer 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.
Counties in Northern Long-eared Bat Range (Excel Spreadsheet)
How to Comment on Interim 4(d) Rule
The comment period on the interim 4(d) rule is open from April 2 to July 1, 2015. You may submit comments by one of the following methods:
(1) Electronically: Go to the Federal eRulemaking Portal: http://www.regulations.gov. In the Search box, enter FWS–R5–ES–2011–0024, which is the docket number for this rulemaking. You may submit a comment by clicking on “Comment Now!”
(2) By hard copy: Submit by U.S. mail or hand-delivery to:
We request that you send comments only by one of the methods described above. We will post all comments on http://www.regulations.gov. This generally means that we will post any personal information you provide us. Deadline for comments is July 1, 2015.
About Northern Long-eared Bats
The 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
White Nose-Syndrome Fact Sheet (June 2014) (2-page PDF )
Bat Box Fact Sheet
Economic Importance of Bats in Agriculture (Science 1 April 11)
Section 7 Technical Assistance Website - explains section 7 of the Endangered Species Act and provides step-by-step instructions for the consultation process.
Archived Documents and Information Materials from Previous Federal Actions
Last updated: July 1, 2015