Trunk-Curl
A male in musth curling and uncurling the distal portion of the trunk in a sinuous, snake-like motion usually while trunk is draped over a tusk or, alternatively, while lifting the head up and, with an open mouth, reaching with a curled trunk to rub across the temporal glands and forehead.
References: Poole 1982: 51 [Trunk to Head], illustration 4.6; Poole 1987a, 1996: 128 illustrations: 60 & 63; Kahl & Armstrong, 2002; Poole & Granli 2003; Poole & Granli 2011. (Full reference list)
This behavior occurs in the following context(s): Advertisement & Attraction