Using the tip of the trunk, or its fingers, to feel the tusks of another elephant. Typically observed between males during Sparring when they appear to examine the size, length sharpness of combatant's tusks.
Two adult males, gm0016 and gm0049 are Sparring. The sequence includes the following behaviours as part of the Sparring: Trunk-Twining, Reciprocal-Trunk-to-Mouth, Trunk-to-Mouth, Allo-Check-Tusk (both to the other several times), Touch-Self, Touch-Trunk-Tips. (Gorongosa, Mozambique)
