But I agree with tater... if that's supposed to be the same bike, it's doctored. The handle grips & back wheel are different... and I think the "doctorer" was trying to make them look like they came outta the same tree.
So all of those pictures you linked to are of the same bike that you saw?? 'Cause every one of those pics look like they're intended to be the same bike & tree, but all of them are slightly different from the next pic... Pretty odd to me.
Nobody's stealing that bike!
It looks like somebody tied the bike into the crotch between the two trunks and just left it there until the tree grew around it. Coolness.