Facts About A Dog's Nose And Scent

The dog's sense of smell is so advanced that a blind dog adapts much more quickly than an individual without sight.

If a pup is placed between two females, it will migrate to the mother who gave birth to it with a quick sniff.

The scent memory of dogs can also help them identify dogs they have not seen for years and even remember which dogs were dominant.

Every dog has a unique odour, two dogs can quickly determine if they have met before 

A dog's nose is so sensitive that it can determine the difference between 5 pm and 6 pm, the time when your partner's car rolls into the driveway every weekday. 

A dog will remember you and your scent forever. A dog's memory will remember how you look, smell, voice, movements, specific events and the emotions and feelings associated with you or each person they've met. 

When in a new territory, a dog can sniff a tree and determine what other dogs live in the neighbourhood. They can smell a visitor's pant leg and get a good impression of where the person lives and whether he has pets at home. It's like having a library of books at your fingertips, each book giving you insight into the story of someone else's life. You can get a general overview of the area and its inhabitants with just a few sniffs. 

Dogs also sense fear and anxiety through their noses. Our fight-or-flight hormone, adrenaline, is secreted when stressed or scared, which dogs detect even though we cannot smell it. As a result, our heart rate increases, and dogs can see through their sensitive noses. When we become scared, our breathing changes as well. As a result, they can react quickly to protect us from danger.  

The nose works best when it is damp. The wet outer nose will capture scent particles. Moisture is essential to the sense of smell. Hence dogs will lick their noses when they become dry. They don't want to miss out on important information due to a dry nose!