Not so with the lithe falcon who pursued him. The movements of his long, narrow wings and arrowy body were so effortless that it seemed impossible that he could overtake the other. Yet every wing-beat brought him nearer and nearer, in a flight so swift and silent that not until the shadow of death fell upon the teal did the latter even know that he was being pursued. Then, indeed, he squawked in mortal terror, and tried desperately to increase a speed which already seemed impossible. Yet ever the shadow hung over him like a black shroud, and then, in a flash, the little green-wing's fate overtook him. Almost too quickly for eye to follow, the duck-hawk delivered the terrible slash with which falcons kill their prey, and in an instant the teal changed from a live, vibrant, arrow-swift bird to a limp mass of fluttering feathers, which dropped like a plummet through the air. With a rush, the duck-hawk swung down after his dead quarry, and catching it in his claws, swooped down to earth to feast full at his leisure.
Far, far above the lower reaches of the sky, where the cloud of waterfowl were flying, above rain and storm and snow, was a solitude entered by only a few of the sky-pilgrims. There, three miles high, were naked space and a curved sky that shone like a great blue sun. In the north a cluster of black dots showed against the blue. Swiftly they grew in size, until at last, under a sun far brighter than the one known to the earthbound, there flashed through the glittering air a flock of golden plover. They were still wearing their summer suits, with black breasts and
