Job 39:29

From, thence she seeketh the prey, and her eyes behold afar off - “When far aloft, and no longer discernible by the human eye, such is the wonderful acuteness of its sight, that from the same elevation it will mark a hare, or even a smaller animal, and dart down on it with unerring aim.” “Edin. Ency.” “Of all animals, the eagle has the quickest eye; but his sense of smelling is far inferior to that of the vulture. He never pursues, therefore, but in sight.” “Goldsmith.” This power of sight was early known, and is celebrated by the ancients. Thus, Homer,r’ -. verse 674. -ὥστ ̓ ἀιετός ὄν ῥά τε φασὶν Ὀξύσατον δέρκεσθαι ὑπουρανίων πετεηνῶν.