Did you know that. Camels have three eye lids. At 188 decibels, the whistling of blue whale is the loudest sound made by any animal on the planet. Crocodiles are color-blind. Slugs have 4 noses. Unlike a frog, a toad cannot jump. In ancient Egypt killing a cat was a crime that could be punished by death. Sharks can live up to 100 years.