- Mice and rats find mates by sniffing out scent signals given off by other members of their species.
- Dogs and cats mark their territories with strong-smelling pee. The scent warns other animals to stay away.
- Many mammals are born with their eyes and ears closed. The babies use their noses to sniff out their moms.
- You’ve probably seen a snake’s tongue. It’s always flicking in and out. With each flick out, the tongue collects tiny particles from the air. With each flick in, the tongue rubs the particles into two tiny holes on the roof of the snake’s mouth. Those holes contain sensors that smell and taste.
- Spiders and scorpions don’t need a nose. They detect scents in the air with sensors on their legs.
Looking for more gross and goofy facts about noses? Check out my new book Up Your Nose: The Secrets of Schnozes and Snouts. To find out more about the whole Grosss and Goofy Body series, read this very thorough review from School Library Journal.