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The vegetation was rich in the extreme, creepers with gay colours hanging from all the branches, with graceful reed-like plants springing up at the water's edge, while on the surface floated large green leaves, on which I saw a long-footed jacana standing while engaged in fishing for her breakfast.
At the bend of the wings there are horny spurs, half an inch long, with which the bird can defend itself when attacked. It is, however, a pacific bird, and only uses them in defence. The most singular character of the jacana is its long toes and claws.
As the ribs grow their ramifications stretch out in every direction, the leaflets one by one unfolding to fill the ever-widening spaces; till at last, when it reaches the surface of the water, it rests horizontally above it without a wrinkle the colossal leaf being thus supported by a heavy scaffold of ribs beneath it, sufficient not only to support the light-stepping jacana, but even a young child.
That known as the "faithful jacana" has a body about the size of a common fowl; but its legs and neck are longer, so that when standing it is a foot and a half in height. The body is of a brownish colour; and there is a crest of twelve black feathers on the nape of the neck, three inches in length.
We kept along the western shore of the lake towards the north, passing on our way several inlets, which led, we had no doubt, to other lakes in the interior, similar to the one in which we had caught the jacana. After we had gone some distance, no sandy beach appearing in which turtle were likely to lay their eggs, we began to despair of obtaining our object.
The light-bodied jacana, supported by its spider-like, widely extended feet, treads over the floating pan-like leaves of the Victoria Regia, and other aquatic plants, without sinking them in any perceptible degree below the surface of the calm pools in which they float. They take up their dwelling on the borders of the remote lakes and igarapes of the Amazonian Valley.
They were given it to enable it to pass lightly over the leaves of water-lilies, and other yielding surfaces, through which a narrow-footed bird would at once sink. Of course, as nature designed them for this purpose, they answer admirably, and the jacana skims along the surface of lily-covered ponds or streams without sinking.
John fired, and the bird fell in the centre of the leaf on which it was standing, and which still supported it in the water; and taking it off the leaf, alongside which we paddled, we found it to be a jacana, remarkable for the great length of its toes, especially the hinder one, and their spine-like claws.
The body is about ten inches long; and the beak upwards of an inch, and of an orange colour. The jacana feeds on aquatic insects and vegetable matter. While feeding it utters a low-sounding cluck, cluck, at short intervals. When flying it throws out its long legs horizontally to their full length, generally skimming above the surface, out of danger.
For this reason some tribes of Indians have tamed the jacana, and use it as a sentinel or "watch-dog," to apprise them of the approach of their enemies during the darkness of the night. Another use is also made of it by the Spanish-Americans. It is tamed and allowed to go about along with the domestic poultry.
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