Wetlands is a mainly habitat for the water birds including of Eastern Sarus Crane. Their morphology determines the feeding behavior and the natural habitat of them such as the crane with short beak, they will feed in high and dry land and the crane with long beak, they will feed in the wetland, example of Sarus Crane that had long bill and mandibles strong for digging roots, rhizomes and tubers of plants from clay or mud of wetlands.