Jeremiah 4:25 - Matthew Poole's English Annotations on the Holy Bible

There was no man; quite depopulated and laid waste, all either slain, or carried captive, or fled; for after the flight of men, women, and children into Egypt, upon the death of Gedaliah, scarce a Jew was left in Judea. All the birds of the heavens were fled; such birds as are used to inhabited places, that live, feed, and build among men; (others indeed, both birds and beasts, would continue, which implies but the greater desolation and waste of the land, as is threatened against Babylon, Isaiah 13:19-22) fled, either to seek provisions, here being no food left for them, or frighted with the hideous noises and clatterings that do attend armies; as we have read, that such hath been the concussion of the air by the loud clamours and noises of armies, that birds have fallen down to the earth, Jeremiah 9:10 Zephaniah 1:2,3.