"It shall be unlawful for any person in the state of Nebraska to knowingly and intentionally kill, injure, or harm, except on the lands owned by such person, any robin, lark, thrush, blue-bird, king-bird, sparrow, wren, jay, swallow, turtle-dove, oriole, woodpecker, yellowhammer, cuckoo, yellow-bird, bobolink, or other bird or birds of like nature that promote agriculture and horticulture by feedin" . . . . . . . . .