Doleful creatures
Easton’s Bible Dictionary & Webster’s 1828 Dictionary · Matthew George Easton, Noah Webster
Doleful creatures - (Easton's Bible Dictionary)
(occurring only Isa. 13:21. Heb. ochim, i.e., "shrieks;" hence "howling animals"), a general name for screech owls (howlets), which occupy the desolate palaces of Babylon. Some render the word "hyaenas."
Source of the article
Matthew George Easton, Easton’s Bible Dictionary; Noah Webster, American Dictionary of the English Language (1828)
Bible Strong combined digital edition