For if not reason, they have at least recollection; and as their eyes rest upon men with dusky skins, and others dimly white, they know that between such is a terrible antagonism, oft accruing to their own interest.

Many a time has it given them a meal.

Strange if they should not remember it! They do.

Though tranquilly soaring on high--each bird with outstretched neck and eye bent, in hungry concupiscence, looks below on the forms moving or at rest, saying to itself, "Ere long these vermin will furnish a rich repast." So sure are they of this--the birds of both flocks-- that, although the sun is nigh setting, instead of betaking themselves to their roosts, as is their wont, they stay, each by its own pet party.
Those accompanying the pursuers still fly about in the air.

They can tell that these do not intend to remain much longer on that spot.