With the trunk down or extended up the length of a tree trunk, resting the head and trunk against the tree and employing the weight of the entire body to push it over. While females and younger males are capable of felling trees with smaller girths, only large adult males are able to fell larger trees.
References: Poole & Granli 2021. (Full reference list)
This behavior occurs in the following context(s): Foraging & Comfort Technique