New research has revealed that dogs are as intelligent as two year old children. The study pointed to border collies being the smartest breed, followed by poodles. Interestingly, the average dog also seems to have the social skills of teenage humans.

On average dogs can learn approximately 165 words. The more intelligent dogs can acquire a vocabulary awareness of around 250 words. In math skills, dogs are aware of numerical differences up to five digits and can calculate the difference.

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