Sorry, we’re working (recording frog calls and playing them back over and over again). It’s not just a weird obsession. It’s a useful one, too! At ARC, we use auditory monitoring to detect the presence or absence of various species within an ecosystem. Frogs are slippery little fellas, and they prefer not to be seen by larger animals, including humans, so this provides a noninvasive way to monitor them. By listening to frog calls and recording what we hear, we can build a baseline of data about