The longest yawn periods tells the intensity of the intelligence. The yawning duration in human is 6 seconds followed by camel with the 5 minutes duration. This statement means that this precious animal (the camel) is next to human in intelligence.  Your yawn may reveal how smart you are: Mammals with bigger and more complex brains gape for longer Read more: http://www.dailymail.co.uk/sciencetech/article-3821906/Your-yawn-reveal-smart-Mammals-bigger-complex-brains-gape-longer.html#ixzz4NL8bIFod Follow us: @MailOnline on Twitter | DailyMail on Facebook. Some other animals like rats, African elephant, horses, etc also have a longer duration of a yawn after humans. There is need of a study to compare the yawn duration among these species of animals to reveal the smartest animal. 

According to the camel keepers, the camel is the most intelligent animal. I have visited and traveled with camel herders in different parts of the world. Assessing the potential of the indigenous livestock breeds of Baluchistan…