O’SHEA, CRYAN & BOGAN: UNITED STATES BAT SPECIES OF CONCERN 
39 
planation 
Townsend's Big-eared Bat 
Virginia Big-eared Bat (endangered subspecie 
Base map: Includes geospatial data 'World Countries' and 'World Ocean Background' 
from ESRI, Redlands, California. 
Data source: North American Bat Ranges, compiled by Bat 
Conservation International, digitally availableatwww.data.gov. 
0 140 280 560 840 1,120 Miles 
0 225 450 900 1,350 1,800 Kilometers 
Coordinate System: North America Lambert 
Conformal Conic 
Projection: Lambert Conformal Conic 
Datum: North American 1983 
False Easting: 0.0000 
False Northing: 0.0000 
Central Meridian: -96.0000 
Standard Parallel 1:20.0000 
Standard Parallel 2:60.0000 
Figure 10. Approximate distribution of Townsend’s big-eared bat, Corynorhinus townsendii. 
which placed Corynorhinus and Idionycteris under the genus Plecotus. Prior to this effort, howev¬ 
er, Corynorhinus had been accepted as a correct generic name. Therefore, in the scientific litera¬ 
ture of the past century the reader may find reference to Townsend’s big-eared bat as C. townsendii 
prior to about 1960, P. townsendii during the decades of the 1960’s-1980’s, and C. townsendii 
