Identifying bat species in an area doesn't require staying up all night to capture bats. Asheville Field Office staff practiced using new acoustic recording technology allowing biologists to put out electronic "ears" for days at at time, recording calls that can then be identified down to species.
You can log onto the internet and follow a tagged great white shark along the eastern seaboard. The location of a red wolf can be tracked with a neck collar emitting a signal picked up by antennae. The same technology was used to follow imperiled gray bats in western North Carolina. The endangered...