I woke up in a panic when I heard this thing for the first time. I promise I thought I was on that island from Jurassic Park for a split second. No audio or video will be able to do it justice, but here is a short clip of a Tockay Gecko. I think the one under my house has got to be the King Kong of Tockays because it’s really really loud.
Oh, and they will bite you.