A sudden squirting or streaming of secretion from the ear during events that cause high arousal, such as the birth of a baby, or extreme unease, such as the sudden sounds of predators nearby. It is not clear at this stage how long such secretions last, their function or whether elephant make use of this secretion as a signal.
References: Poole & Granli 2003; Poole & Granli 2011. (Full reference list)
This behavior occurs in the following context(s): Affiliative, Conflict & Confrontation