Posted by: Kirsten Pisto, Communications Ever wonder why snakes are always sticking out their tongues? Woodland Park Zoo volunteer, Jordan, asked some of the zoo’s most curious visitors to explain…and their answers were pretty impressive! It's hard to trick the smartest zoo kids in the world. Video: Why are snakes always sticking out their tongues? All snakes have a vomeronasal organ, sometimes referred to as the Jacobson’s organ. This special auxiliary olfactory organ, located on the roof of the snake’s mouth, allows tiny chemical particles to be interpreted by the snake’s brain. A lightning fast exchange, the tongue finds these particles from the air, water or ground and delivers them to the Jacobson’s organ. The organ then supplies this information to the brain which interprets the message and the snake reacts accordingly. A snake’s vomeronasal organ, or Jacobson’s organ, sits inside the roof of the mouth. A snake’s forked tongue assists in this adaptatio