Why can't you hear a pterodactyl urinate?... Chemistry animal insect reptile supernatural_creature Please Rate Vote 1 Vote 2 Vote 3 Vote 4 Vote 5 Today's featured daily humor:Why can't you hear a pterodactyl urinate? Because the 'p' is silent.Click for another laugh! Previous article: We visited the islands for our vacation and had to conserve freshwater use.... Prev Next article: I've been thinking a lot about inventing a tool to strain ink from my biro.... Next