Learn more about Texas bats from our Urban Biologist, Lois Balin, then walk to a nearby arroyo and watch bats emerge and take flight. Meet at 3344 Eileen Dr. Wear sturdy footgear. Bring water. For more information, contact Judy Ackerman, 915-755-7371 (home) or 703-622-0661 (cell), jpackerman53@gmail.com. The most common species in our region is the Brazilian free-tailed bat (Tadarida brasiliensis). Using a bat detector, identify other bat species.