I had a hunch it was only bird farts.

"Sir Gilligan Horry" <GM@ga7rm5er.com> wrote in message
news:u9haa0t5m4lebumj9j0uh22v9u7sguad88@4ax.com...

A series of brightly lit, rapidly moving objects filmed in the skies
over Mexico could have been caused by a scientific phenomenon
involving gases in the atmosphere, a scientist said Thursday.

http://directory.google.com/Top/Society/Paranormal/UFOs/News_and_Media/