Albert Barnes Commentary Jeremiah 50:39

"Therefore the wild beasts of the desert with the wolves shall dwell there, and the ostriches shall dwell therein: and it shall be no more inhabited for ever; neither shall it be dwelt in from generation to generation." — Jeremiah 50:39 (ASV)

Wild beasts of the islands - Jackals.

Owls - Ostriches (marginal reference note).