78 
PROCEEDINGS OF THE CALIFORNIA ACADEMY OF SCIENCES 
Series 4, Volume 65, Supplement I 
140° 
120 ° 
50° 
30° 
10 ° 
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 available at www.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 18. Approximate distribution of Allen’s big-eared bat, Idionycteris phyllotis. Species range is shown in yellow, 
but extends farther north in western Colorado, southern Utah, and southern Nevada (see text). 
