After a few minutes' brisk pulling, the trumpeter had lost so much ground that he was not two hundred yards in the advance, and “dead ahead.” His body was no longer carried with the same gracefulness, and the majestic curving of his neck had disappeared. His bill protruded forward, and his thighs began to drag the water in his wake. He was evidently on the threshold of flight. Both François and Basil saw this, as they stood with their guns crossed and ready.
At this moment a shrill cry sounded over the water. It was the scream of some wild creature, ending in a strange laugh, like the laugh of a maniac!
On both sides of the river there was a thick forest of tall trees of the cotton-wood species. From this forest the strange cry had proceeded, and from the right bank. Its echoes had hardly ceased, when it was answered by a similar cry from the trees upon the left. So like were the two, that it seemed as if some one of God's wild creatures was mocking another. These cries were hideous enough to frighten any one not used to them. They had not that effect upon our voyageurs, who knew their import. One and all of them were familiar with the voice of the white-headed eagle!
The trumpeter knew it as well as any of them, but on him it produced a far different effect. His terror was apparent, and his intention was all at once changed. Instead of rising into the air, as he had premeditated, he suddenly lowered his head, and disappeared under the water!
Again was heard the wild scream and the maniac laugh; and the next moment an eagle swept out from the timber, and, after a few strokes of its broad wing, poised itself over the spot where the trumpeter had gone down. The other, its mate, was seen crossing at the same time from the opposite side.
Presently the swan rose to the surface, but his head was hardly out of the water when the eagle once more uttered its wild note, and, half folding its wings, darted down from above. The swan seemed to have expected this, for before the eagle could reach the surface, he had gone under a second time, and the latter, though passing with the velocity of an arrow, plunged his talons in the water to no purpose. With a cry of disappointment the eagle mounted back into the air, and commenced wheeling in circles over the spot. It was now joined by its mate, and both kept round and round watching for the reappearance of their intended victim.
Again the swan came to the surface, but before either of the eagles could swoop upon him he had for the third time disappeared. The swan is but an indifferent diver; but under such circumstances he was likely to do his best at it. But what could it avail him? He must soon rise to the surface to take breath—each time at shorter intervals. He would soon become fatigued and unable to dive with sufficient celerity, and then his cruel enemies would be down upon him with their terrible talons. Such is the usual result, unless the swan takes to the air, which he sometimes does. In the present case he had built his hopes upon a different means of escape. He contemplated being able to conceal himself in a heavy sedge of bulrushes that grew along the edge of the river, and towards these he was evidently directing his course under the water.
At each emersion he appeared some yards nearer them, until at length he rose within a few feet of their margin, and diving again was seen no more! He had crept in among the sedge, and no doubt was lying with only his head, or part of it, above the water, his body concealed by the broad leaves of the nymphæ, while the head itself could not be distinguished among the white flowers that lay thickly along the surface.
The eagles now wheeled over the sedge, flapping the tops of the bulrushes with their broad wings, and screaming with disappointed rage. Keen as were their eyes they could not discover the hiding-place of their victim. No doubt they would have searched for it a long time, but the canoe—which they now appeared to notice for the first time—had floated near; and, becoming aware of their own danger, both mounted into the air again, and with a farewell scream flew off, and alighted at some distance down the river.
“A swan for supper!” shouted François, as he poised his gun for the expected shot.