The canine nose has something like twenty times as many primary receptor cells as the human nose. How all of this works to detect odors is one of the great scientific wonders of the world. Studies in a number of species have found that different regions of the mucous lining within the nose have different chemical properties, more readily absorbing chemicals of one particular molecular shape or another, or preferentially absorbing in one region chemicals that are more water soluble and in another chemicals that are more fat soluble.

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Are you having a new baby soon? Congratulations! Bringing a brand new son or daughter into this world is one of life’s greatest pleasures. Your baby is going to make a life-changing addition to your house.
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Some dog owners and dog trainers expect their dog’s level of thinking and smartness to be the same of humans, when being trained. This mistaken assumption about dog psychology can be devastating to the expectations of both the dog owner and the dog itself.
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Is your dog just barking or are you not listening properly. Hopefully these insights will help you understand your dog better.

1. Continuous rapid barking, midrange pitch: “Call the pack! There is a potential problem! Someone is coming into our territory!” Continuous barking but a bit slower and pitched lower: “The intruder [or danger] is very close. Get ready to defend yourself!”

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Part of the canine greeting is to sniff and lick faces. Because people are so much bigger than they are, dogs try to bridge the gap by jumping up. Some people really dislike it when dogs, their own or someone else’s, jump on them. But dogs, on the other hand, do it all the time because they think they are being polite.

The next time you take your dog to the park, watch how he greets and is greeted by other
dogs. They start by sniffing each other’s mouths, then move around to sniff the back ends. All
of this is considered proper and polite behavior among dogs, and they assume it is the way they should greet people.

Dogs do not have any trouble sniffing our bottoms, they will do it all the time if given a chance. But the first part of the greeting, the mouth sniff, is not possible because we are so much taller than they are. Except for very short people with very tall dogs, the only way this is going to happen is if dogs get up on their hind legs.