Most dog-lovers know that the domestic pups that have become part of our families were selectively bred for traits that blended well with humans.
Some breeds are excellent hunters, others love to swim and others still have placid natures which were perfect for nannying our children.
The majority of dogs we have as house pets today are food motivated, which makes training easy and actually enjoyable for our four-legged friends.
But there is one dog breed that has a very special affinity for food - so much so that people are calling it the greediest breed!
Can you guess which of these dogs it is?
Turn to the next page to see if you were right!