http://news.bbc.co.uk/2/hi/asia-pacific/8118257.stm (Be sure to read the comments at the bottom)

That might explain the Kansas crop circles as well.
I love that BBC America promo where people are mowing crop circles into their lawns.
That story is a classic, certainly had me in stitches, as an Australian I got the humour in the replies at the bottom, the reference to the stoned wallaby in New Zealand is in reference to the Australian Rugby team who are called the “Wallabies” who regularly play the New Zealand rugby team which is called the “All Blacks”, we generally kick the buts or as a Kiwi would say “rigulally keck their esses”
David Hill said:They have Wallabies in Kansas? Far out man.
That might explain the Kansas crop circles as well.