Bat Population Database (BPD)

U.S. States/Territories by Observations:
South Dakota (325)    Oregon (211)    California (199)    Washington (176)    Arizona (164)    Wyoming (139)    Colorado (129)    New Mexico (105)    Kansas (84)    Idaho (80)    Nevada (50)    Texas (46)    Utah (26)    Oklahoma (23)    Montana (19)    West Virginia (9)    North Carolina (6)    Kentucky (3)    Missouri (2)    Pennsylvania (2)    Indiana (1)   

Publications by Observations:

• Status of bats in the Gypsum Hills of south-central Kansas (92)
• Inventory of bats and bat habitat associated with caves and mines in Wyoming - Completion Report (91)
• Bat hibernation - A winter with the western big-eared (60)
• Bat species overwintering in lava-tube caves in Lincoln, Gooding, Blaine, Bingham, and Butte counties, Idaho with special reference to annual return of banded Plecotus townsendii (56)
• Observations on the roosting habits of the big-eared bat, Plecotus townsendii, in California limestone caves (41)
• Bat distribution and hibernacula use in west-central Nevada (24)
• Notes on the natural history of the bat Corynorhinus rafinesquii in California (24)
• Reproduction of the lump-nosed bat (Corynorhinus rafinesquei) in California (18)
• Bat population study Fort Stanton Cave (16)
• An annotated checklist of the bats of Bernalillo County, New Mexico (15)
• Hibernating bats of the Black Hills of South Dakota. I. Distribution and habitat selection (12)
• Bats of Utah (11)
• Bats of the White and Inyo Mountains of California-Nevada (10)
• Bats of Jewel Cave National Monument, South Dakota (10)
• Mammals of Nevada (10)
• Habitat affinities of bats from northeastern Nevada (9)
• Wintering bats of the upper Snake River plain: occurence in lava-tube caves (9)
• Ecology of the 18 Species of Chiroptera at Big Bend National Park, Texas (9)
• Some notes on Utah bats (9)
• Additional records of the Mexican big-eared bat, Plecotus phyllotis (Allen) from Arizona (8)
• Mammals of the Pocatello Region of southeastern Idaho (8)
• Bat usage and cave management of Torgac Cave, New Mexico (7)
• Status of Leptonycteris nivalis (Phyllostomatidae) in Big Bend National Park, Texas (7)
• Big-eared bat, Plecotus townsendii, in western North Carolina (6)
• A survey of bats in southeast Colorado (6)
• Factors influencing Arizona bat population levels (6)
• Additional notes on bats from western South Dakota (6)
• Bats of the Chiricahua Mountains, Cochise County, Arizona (6)
• Seasonal occurrence and abundance of bats (Chiroptera) in northwestern Texas (6)
• Notes on the winter occurrence of bats in Nevada (6)
• Cave gate design for use in protecting endangered bats (5)
• Noteworthy records of bats from northeastern Montana (5)
• Mammals of the Black Hills of South Dakota and Wyoming (5)
• Distribution and ecology of the bats of southern Hidalgo County, New Mexico (5)
• Mammals of Washington (5)
• Bats of Azure Cave and the Little Rocky Mountains, Montana (4)
• Springtime movements, roost use, and foraging activity of Townsend's big-eared bat (Plecotus townsendii) in central Oregon (4)
• Status of Townsend's big-eared bat (Plecotus townsendii) at five caves in Colorado (4)
• A survey of hibernating bats in Hellhole Cave, Pendleton County, WV (4)
• Winter use of some northwestern California caves by western big-eared bats and long-eared myotis (4)
• Bats of El Paso County, Texas, with notes on habitat, behavior, and ectoparasites (4)
• Migration in the guano bat, Tadarida brasiliensis (4)
• The caves of northwest Texas (4)
• Aspects of a population study of cavern-dwelling bats (4)
• Notes on some cave bats of Kansas (4)
• A synopsis of the bats of California (4)
• A report on a followup bat survey of the Mariscal (Viviana) Mercury Mine Complex (3)
• Thermal implications of roost site selection in hibernating Plecotus townsendii (3)
• Injuries to Plecotus townsendii from lipped wing bands (3)
• Abundance and distribution of bats in the Pryor Mountains of South Central Montana and North Eastern Wyoming (3)
• Mammals of the Guadalupe Mountains National Park, Texas (3)
• Bats from the Black Hills of South Dakota (3)
• Notes on the life histories of some Utah mammals (3)
• Some Californian experiences with bat roosts (3)
• Population changes in bats from central Arizona: 1972 and 1997 (2)
• Annual Report - Biological surveys on Colorado Plateau National Parks, with updated lists of mammals from the parks and mammal capture summaries for 1992 (2)
• Records of nectar-feeding bats in Arizona (2)
• Natural history and geographic relationships of the Brazilian free-tailed bat in the San Luis Valley of Colorado (2)
• Bats of the Colorado Oil Shale Region (2)
• A survey of the populations and environmental parameters of the Indiana bat (Myotis sodalis) in Jackson and Rockcastle Counties, Kentucky (2)
• An incidence of winter activity in Myotis californicus (2)
• Mammals of northwestern South Dakota (2)
• Disturbance and bats (2)
• Temperature of the bat, Plecotus townsendii, during arousal (2)
• Annotated checklist of bats from South Dakota (2)
• Homing performance and homing ability in bats (2)
• Ecology of three species of myotine bats in the Ozark Plateau (2)
• Trypanosoma vespertilionis from some southern California bats (2)
• The mammals of the Huachuca Mountains, southeastern Arizona (2)
• The mammals of the Sierra Vieja region, southwestern Texas, with remarks on the biogeographic position of the region (2)
• A summer aggregation of lump-nosed bats at Lake Pend Oreille, Idaho (2)
• A summer aggregation of lump-nosed bats at Lake Pend Orielle, Idaho (2)
• Notes on the natural history of the bat, Myotis yumanensis, in California, with a description of a new race (2)
• The mammals and life zones of Oregon (2)
• Notes on bats collected in Arizona during the summer of 1933 (2)
• A revised check list of Kansas mammals (2)
• Use of bridges as night roosts by bats in the Oregon Coast Range (1)
• Seasonal variation in use of caves by the endangered Ozark big-eared bat (Corynorhinus townsendii ingens) in Oklahoma (1)
• Diet preference of the endangered Virginia big-eared bat, Plecotus townsendii virginianus, in the Daniel Boone National Forest, Kentucky (1)
• Mammals of woodland and forest habitats in the Rincon Mountains of Saguaro National Monument, Arizona (1)
• Noteworthy records of mammals from the Texas Panhandle (1)
• Mammals of Arizona (1)
• Early foraging behavior of insectivorous bats in western Oklahoma (1)
• Gopher snake preys on western big-eared bat (1)
• Distribution and natural history of some mammals from the inner gorge of the Grand Canyon, Arizona (1)
• Mammals of the riparian region of the Colorado River in the Grand Canyon area of Arizona (1)
• A Colorado colony of Tadarida brasiliensis (1)
• Distribution of mammals in Colorado (1)
• Cave myotis, Myotis velifer, from southern Nevada (1)
• Ecological distribution of some vertebrates in the San Juan Basin, New Mexico (1)
• The mammals of Texas (1)
• New records of ectoparasites on bats in west Texas (1)
• Functional morphology of three bats: Eumops, Myotis, Macrotus (1)
• Mammals of the Mesquite Plains Biotic District in Texas and Oklahoma, and speciation in the central grasslands (1)
• Mammals of Utah: taxonomy and distribution (1)
• Report on the mammals of the Black Mesa Region, Oklahoma (1)
• Notes on mammals from Arizona, Nevada, and Utah (1)
• Cave hunting in Big Bend (1)
• Notes on the long-legged bat (Myotis volans) at Old Fort Tejon and vicinity, California (1)
• Corynorhinus in northeastern Oregon (1)
• The mammals of Culberson County, Texas (1)
• Mammals from south-central Arizona (1)
• Mammals of the Chiricahua Mountains, Cochise County, Arizona (1)
• Status of Myotis velifer in California with notes on its life history (1)
• Two new Oregon localities for two races of pale bats (1)
• Notes on mammals of the Carlsbad Cavern region (1)
• Mammals of New Mexico (1)
• Vertebrate natural history of a section of northern California through the Lassen Peak Region (1)
• Animal life of the Carlsbad Cavern (1)
• The mammals of Illinois and Wisconsin (1)

• Food habits of the hoary bat (Lasiurus cinereus) during spring migration through New Mexico (2009)
• Summary and analysis of the U.S. Government Bat Banding Program (2008)
• Late-seasonal activity and diet of the evening bat (Nycticeius humeralis) in Nebraska (2008)
• Evaluation of morphological indices and total body electrical conductivity to assess body composition in big brown bats (2008)
• Mammal inventories for eight National Parks in the Southern Colorado Plateau Network (2007)

• Bat Population Database
• Causes and Consequences of Bat Fatalities at Wind Turbines
• Conservation Studies of Long-Nosed Bats in New Mexico
• Ecological Investigations of White-Nose Syndrome in Bats
• Ecology of Virus Transmission in Commensal Bats
• Rocky Mountain Center for Conservation Genetics and Systematics
• Using Genetics Tools to Obtain Information about the Biology of Summer Roosting Bats