Things that go chirp in the night

If you like to camp, you know that the woods are alive at night.

Crunches, rustles, chirps and all number of other sounds combine for a complex nocturnal melody.

For many campers, it's the reason they like sleeping outdoors; nature's lullaby. For others, it's a bit unsettling. You don't know what creatures are making the sounds, or if they'll be paying you a visit while you slumber.

Check out this Web site before your next foray into the forest and you can familiarize yourself with at least a few of the less harmless sounds.

Now if only they had a site like this for the leaf rustling and such...