Feeds at low to moderate heights. Often found foraging over water, in rocky canyons, and along cliff faces. Suitable roosts are most often found in rocky canyons and cliffs. Lactating females may require frequent water. They comprise a large proportion of individuals taken over water sources.
All individuals probably require occasional water.
Prefers rocky canyon walls and cliffs in arid habitats. Nocturnal, reduced activity in winter. This species emerges earlier than other bats. It may be seen as early as 45 min before sunset, and often is seen after sunrise. Most activity is in the first 1-2 hr after sunset.