The snake did it.
http://www.cnn.com/2008/WORLD/asiapcf/02/27/australia.snake.ap/index.html
The leprechaun did it.
http://www.metro.co.uk/weird/article.html?in_article_id=71482&in_page_id=2
The pterodactyl did it.
http://www.metro.co.uk/weird/article.html?in_article_id=81848&in_page_id=2
I see that smile.