While photographing some state police on horseback in Chile, civil engineer Germán Pereira caught what could be a small alien creature trailing behind them. Visit this translated website(1) for further details and images.
1. http://translate.google.com/translate?u=http%3A%2F%2Fwww.elcajon.cl%2Fovniaventura%2Fparquef.htm&langpair=es%7Cen&hl=en&ie=UTF-8&c2coff=1&prev=%2Flanguage_tools