Search:

http://www.youtube.com/watch?v=ZGhZHlpSE6k

Check out their "grounding prep".

I see what you mean:

http://farm4.static.flickr.com/3069/2624459061_f806fb4e51.jpg
http://3.bp.blogspot.com/_GXM-l4LY4TM/SwhcqEtw6rI/AAAAAAAAAWg/ZRtjIJfLL5g/s1600/flying_squirrel.jpg...

Everyone has read the original post incorrectly.

"The existance of Squirrel Kung-Fu?"

The O.P. is talking about the external-stance of "Squirrel Kung Fu". Which begs the question of the...

SQWOYAL BJJ:

http://video.google.com/videoplay?docid=7437118016911420019&ei=vcxZS_S4MpeuqQL63phQ&q=SQUIRELLS+PLAYING&hl=en#