History of the Peloponnesian War

Indeed the character of the disease proved such that it baffles description, the violence of the attack being in each case too great for human nature to endure, while in one way in particular it showed plainly that it was different from any of the familiar diseases: the birds, namely, and the fourfooted animals, which usually feed upon human bodies either would not now come near them, though many lay unburied, or died if they tasted of them.

The evidence for this is that birds of this kind became noticeably scarce, and they were no longer to be seen either about the bodies or anywhere else; while the dogs gave a still better opportunity to observe what happened, because they live with man.