When the plane is coming in for landing, Zia is looking out the window and sees a rhino. Next scene showing the plane landing from the view of the landing strip, the rhino is nowhere to be seen.
At the beginning of the film, in establishing location, there is a visual of the world, then zooming in on Africa, then Kenya, then a plane coming in for a landing with a Rhino seen running outside the aircraft window... and landing with Shiprock, New Mexico looming in the background.
When Kipsang is being buried, the soldiers are ordered to reverse their rifles (pointing down to the ground as a sign of respect). However when the coffin is being lowered into the ground the soldiers' rifles are resting in their shoulders in the usual position. No order was given to change the position of the rifles and probably would not have been given until after the coffin was lowered.
Zia's caravan uses Bactrian camels (two humps) which are native to central Asia. The camels found in Northern Kenya and Somalia are dromedary camels.
(at around 31 mins) The printed notice spells "defence" in American English, as "defense."