Thousands of dead turtle doves fell from the sky in Faenza, Italy in yet adding to all the other strange animal deaths happening around the world. Adding to the mystery the birds were all found with strange blue stains on their beaks.
This mystery however, was just a case of indigestion caused by overeating. The turtle doves gorged themselves on seeds, which caused indigestion and hypoxia, the lack of oxygen eventually killed them.
via Daily Mail.