A crocodile cannot stick its tongue out.    Cats have over one hundred vocal sounds, dogs only have about ten.    A snail can sleep for three years.    Cat's urine glows under a black light.    All Polar bears are left-handed.    An ostrich's eye is bigger than its brain.    Butterflies taste with their feet.    American Airlines saved $40,000 in 1987 by eliminating one olive from each salad served in first-class.   Americans on average eat 18 acres of pizza every day.