Placing the tip of the trunk over or on the ground and sniffing; presumably often for the purpose of assessing physical or sexual condition or individual identity in urine soaked soil. All age/sex groups Sniff-Ground, although males engage in this behavior more frequently than do females.
References: Poole & Moss 1989; Poole & Granli 2011 [Test-Urine]. (Full reference list)
This behavior occurs in the following context(s): Advertisement & Attraction, Attentive