The cormorant and the bittern shall possess it. Compare the prophecy against Babylon in Isaiah 14:23. The Hebrew word translated "cormorant," is now generally regarded as designating the "pelican," while the one rendered "bittern" is thought by some to mean "hedgehog" or "porcupine."
Animals that delight in solitude are certainly meant, but the particular species is, more or less, matter of conjecture. He shall stretch out upon it; rather, and one shall stretch out upon it. The verb is used impersonally.
The line of confusion, and the stones of emptiness; rather, the line of desolation, and the plummet of emptiness. The destruction of cities was effected by rule and measure, probably because different portions of the task were assigned to different sets of laborers, and, if the work was to be completely done, it required to be done systematically.
Here, the measuring-tape and the plumb-line are to be these of tohu and vohu, or of the eternal chaos out of which God, by his word, produced order (Genesis 1:2).