Along with cats, dogs are one of the most popular pets in the world. Here are some interesting facts about dogs.

A dog can learn to understand up to 250 words and gestures. An average dog has the intelligence of a two-year-old child.

Dogs do not like to be hugged, because for them it is a sign of dominance when someone puts their arm around their body.

Guide dogs recognise the difference between on duty and off duty by putting on their harness. When the harness is taken off, they are just as playful as any other dog.

In ancient China, the ruler literally had a Pekingese hidden in his wide sleeve for defence.

A dog's nose is wet to determine the direction from which an odour is coming.

Dogs sweat through their paws. As their paws are in constant contact with microorganisms in the soil, a popcorn-like odour develops that emanates from their feet.