There are over 240 species of frogs in Australia. And surprisingly, their calls that are remarkably similar to everyday common sounds, such as dogs barking, owls and even car alarms. So, using only actual, unmodified frogs sounds as the audio, we created a fake scary movie trailer that delivered an important message about how the public can help these endangered creatures: by simply recording their calls with the Frog ID app. It launched on Halloween and coincided with Frog Week at the beginning of November.