They Come in Peace: Animals that Look Like Aliens!These "UFOs" – unidentified far-out organisms – are actually rare and interesting creatures

Credit: Jay Town/Newspix/REX USA

Updated: Wednesday Sep 09, 2009 | 11:15 PM EDT By: Kate Hogan

ECHIDNA

Named for a mythological Greek monster that was half-nymph, half-snake, the echidna seems like something that might want to whisk you away in its UFO. But these little guys are typically harmless – the toothless creatures feast predominantly on insects.