White-Nose Syndrome (WNS)


Close up of hibernating bats in a Vermont cave.
[Photo: U.S. Geological Survey]

White-nose syndrome (WNS) is a new wildlife disease devastating hibernating bat populations in the Northeastern U.S. Since March 2008, thousands of dead and dying bats at over 25 caves and mines in New York, Vermont, Massachusetts and Connecticut have been discovered. Scientists hope to stop the spread of WNS to Canada and the U.S. Midwest and Southeast.

Report WNS observations to your state conservation agency, the U.S. Fish and Wildlife Service or the USGS National Wildlife Health Center.

North American Bat Ranges Map Layer


Sample map.
[Image: National Atlas of the United States]

The North American Bat Ranges data set shows our current understanding of the distributions of the 45 United States and Canadian bat species and includes ranges that extend into Mexico. Descriptive information includes the scientific name and common name for each bat.

The North American Bat Ranges Map Layer was created by the U.S. National Atlas and Bat Conservation International.

Bats (order Chiroptera)

Bats are members of the taxonomic order Chiroptera. Order Chiroptera is further subdivided into smaller taxonomic groups called families. In the Southeast, two families are represented: Vespertilionid bats of the family Vespertilionidae and Free-tailed bats of the family Molossidae.

Bat species of the Southeast are organized on this page by taxonomic families.

A free tailed bat.[Photo: U.S. DOT Federal Highway Administration]

Free-tailed bats (family Molossidae)

Gray Bat [Photo:U.S. Fish and Wildlife Service]

Vespertilionid bats (family Vespertilionidae)


For more about bats, see the Web resources for bat families on this page.


USGS Bat Population Database


Publication Cover [Photo: U.S. Geological Survey]
[Photo: U.S. Geological Survey]

The U.S. Geological Survey Fort Collins Science Center's Bat Population Database (BPD) is a compilation of information that relates primarily to colony size estimates or similar data for bats in the U.S. and Territories.

Bat Population Database Resources:

Bullet point Monitoring trends in bat populations of the United States and territories [PDF, 9.31 MB]

Bullet point Species Search

Bullet point State Search

Bullet point Bibliographic Search

Web Resources for Bat Families
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Taxonomy Helper

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Integrated Taxonomic Information System (ITIS)

Bats

    Kingdom: Animalia
    Division: Chordata
    Subdivision: Vertebrata
    Class: Mammalia
    Subclass: Theria
    Infraclass: Eutheria
    Order: Chiroptera
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