This bird is an aboriginal pheasant sized bird which has brown colored feathers which has even the lighter tone of colors of feathers. They have a blue face, their eyes are maroon colored and the crown of their head is made by the spiky feathers. The head of the bird is quite small as compared to his body but the neck is pretty large. They are found in swamps of amazon most of the time and can also be present in Orinoco Delta is South Africa. Newly hatched hoatzins are known to be featherless but they may grow very fast and their features are same as compared to Archaeopteryx.