And the wild asses did stand in the high places, they snuffed up the wind like dragons; their eyes did fail, because there was no grass. Snuffed up the wind like dragons - תנים tannim here probably means the hippopotamus, who, after feeding under the water, is obliged to come to the surface in order to take in fresh draughts of air; or it may mean the wild asses.
Related Commentaries of Jeremiah 14:6
Jeremiah 14:6
6 And the wild asses did stand in the high places, they snuffed up the wind like dragons; their eyes did fail, because there was no grass.