Grant is right. The best horses are in the Dhulbahante country. And the best horsemen are the Dhulbahante. Well in the old days anyway.  
 
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extract from the archives of 
www.cilmiile.blogspot.comPrevious to the expeditions against the Mullah, the tribes which were, in all probability, the best off in horses were the Dulbahanta, and after them the Ogaden. At all events, most of those in a position to speak are agreed that the Dulbahantas are the best horsemen among the Somalis.