Grasping a clump of grass with the trunk and sweeping it up and against the ridges on the underside of the trunk to remove the soil clinging to its roots. Alternatively, holding the clump in the trunk and sweeping is against the chest, between the fore-legs. We are not sure what age this technique is acquired.
Pascal is feeding on grass. Notice how he uses his trunk to remove dust and dirt from the roots - sweeping his trunk and the clump of grass against the ridges on the underside of his trunk and against his body. (Amboseli, Kenya)