Snakes smell with their tongue.
View moreOtter poop has the strangest smell.
View moreOtter poop has such a unique smell that it has even ended up with its own name - spraint.
View moreScientists say that its smell is like that of violets.
View moreHorses are often seen in photographs "laughing" or "smiling", but this movement is actually to help them smell better.
View moreA 2013 study found that the smell of chocolate in a bookstore made customers 22% more likely to buy books of any genre and a whopping 40% more likely to buy cookbooks or romance novels.
View moreDogs have a great sense of smell.
View moreOne interesting fact is that dogs have an incredible sense of smell.
View moreHorses also have a strong sense of smell, which helps them detect danger and find food.
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