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Bats We Monitor

Misty Pink Shore

SUMMER OCCUPANCY

Where bats occur across the summer landscape and how this changes over time.

SUMMER ABUNDANCE

The number of bats occupying summer roosts and habitats each year and how they change over time.

WINTER ABUNDANCE

The number of bats occupying wintering sites each year and how they change over time.

Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Ernie Valdez

Allen's Big-eared Bat

Idionycteris phyllotis
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Ernie Valdez

Arizona Myotis

Myotis occultus
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Pete Pattavina/USFWS

Big Brown Bat

Eptesicus fuscus
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Richard Hoyer

Big Free-tailed Bat

Nyctinomops macrotis
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Ernest Valdez

Brazilian Free-tailed Bat

Tadarida brasiliensis
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Alan Harper

California Leaf-nosed Bat

Macrotus californicus
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Alan Harper

California Myotis

Myotis californicus
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Dan Neubaum

Canyon Bat

Parastrellus hesperus
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: J. Scott Altenbach

Cave Myotis

Myotis velifer
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Bureau of Reclamation

Desert Red Bat

Lasiurus frantzii
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Jordi Segers

Eastern Red Bat

Lasiurus borealis
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Valerie Kearny, Arkansas State University

Eastern Small-footed Myotis

Myotis leibii
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo Credit: K. Leeker

Evening bat

Nycticeius humeralis
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Florida Fish & Wildlife

Florida bonneted bat

Eumops floridanus
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Pipe Spring NPS

Fringed Myotis

Myotis thysanodes
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Dane Smith

Gray Myotis

Myotis grisescens
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: BLM

Greater Bonneted Bat

Eumops perotis
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Corinna Pinzari

Hawaiian Hoary Bat

Lasiurus cinereus semotus
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Jose Martinez-Fonseca

Hoary Bat

Lasiurus cinereus
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Ryan Hagerty/USFWS

Indiana Myotis

Myotis sodalis
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Steven Brewer

Jamaican Fruit-eating Bat

Artibeus jamaicensis
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Alan Schmierer

Lesser Long-nosed Bat

Leptonycteris yerbabuenae
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Jordi Segers

Little Brown Bat

Myotis lucifugus
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Dan Neubaum

Long-eared Myotis

Myotis evotis
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Paul Cryan

Long-legged Myotis

Myotis volans
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Winifred Frick, BCI

Mexican Long-nosed Bat

Leptonycteris nivalis
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Patrick Randall

Mexican Long-tongued Bat

Choeronycteris mexicana
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Andrea Schuhmann

Northern Long-eared Myotis

Myotis septentrionalis
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Kpix Photo

Northern Yellow Bat

Lasiurus intermedius
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Thomas Cuypers

Pallas' Mastiff Bat

Molossus molossus
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: BCI Menden Pictures

Pallid Bat

Antrozous pallidus
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Jennifer Krauel

Peter's Ghost-faced Bat

Mormoops megalophylla
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Saguaro NPS

Pocketed Free-tailed Bat

Nyctinomops femorosaccus
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Jason Slater, Florida Fish & Wildlife Conservation Commission

Rafinesque's Big-eared Bat

Corynorhinus rafinesquii
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Kathleen Smith, Florida FWCC

Seminole Bat

Lasiurus seminolus
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Jose Martinez-Fonseca, NAU

Silver-haired Bat

Lasionycteris noctivagans
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Andrea Schuhmann

Southeastern Myotis

Myotis austroriparius
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Arturo Munoz

Southern Yellow Bat

Lasiurus ega
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Bruce D. Taubert

Southwestern Myotis

Myotis auriculus
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Paul Cryan

Spotted Bat

Euderma maculatum
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Ann Froschauer, USFWS

Townsend's Big-eared Bat

Corynorhinus townsendii
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Andrea Schuhmann

Tricolored Bat

Perimyotis subflavus
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: J. Scott Altenbach

Underwood's Bonneted Bat

Eumops underwoodi
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Ian Maton

Western Small-Footed Myotis

Myotis ciliolabrum
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: BLM California

Western Yellow Bat

Lasiurus xanthinus
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Information used to populate this page was obtained from the following sources: NatureServe Explorer United States Fish and Wildlife Service Environmental Conservation Online System Bat Conservation International Bat Profiles National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277. Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.

Photo credit: Dan Neubaum

Yuma Myotis

Myotis yumanensis
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2018 by Bat Conservation International in partnership with the NABat Program

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