Cavechat.org

"....His primary mission is to listen for sounds rarely heard by humans: the high-frequency calls of bats moving across the night sky.
The Martinez man is part of a statewide team of volunteers who use high-tech surveillance gear to monitor bat movement along 35 widely scattered routes.
The equipment, called Anabat, can identify and count bats by analyzing echolocation calls they use to navigate and find food."

Read on!
http://chronicle.augusta.com/news/metro ... rgias-bats

It would appear from the Members Manual that Trina Morris is an NSS member!

I run the West Point Lake route near LaGrange, GA. This is my second year participating in the project. There are species living around here that I didn't expect.