Strange noises on a tape

Hi, me and my friend started to get interested by the ghost hunting world and decided to investigate a very small cemetary hidden in a wood. You can see the location of the cemetary here: http://maps.google.ca/maps/ms?hl=fr&ie=UTF8&msa=0&msid=113205277145747727428.000475384e24d01903c5b&ll=48.42615,-71.014472&spn=0.002766,0.006968&t=h&z=18.

During our investigation nothing really happened but after when I listened to the tape closely it seem there is something weird going on.
You can listen to the file here: http://www.prank-space.com/evp_cimetiere.mp3. The strange sound is right after the strong wind sound.

As you can see on the map there is no home in a circle of 100 meters and the whole cemetary is surround by wood and the whole investigation was very late at night so we kind of eliminated the suposition that it was caused by another human being.

If you could listen or even better help me to remove some noise on the tape it would be really appreciated. Last thing i'm sorry if my english suck at moments I speak french on a daily basis.