When dogs are in their training stage a question that comes up a great deal is why do dogs lick their noses? While it's tempting to simply go with the old chestnut of an answer - because they can - there are a number of reasons why a dog might lick its own nose.
One thing is for certain sure, however: while they are doing it they often bring a smile to the faces of their human companions. As you can see from this spread of pictures, it's sometimes difficult to resist this particular canine photo opportunity.
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