Forms: 67 elke, 7 pl. elkys, 7 elk. The Wild Swan or Hooper (Cygnus ferus). Also the Wild Goose (Anas anser).
1552. Huloet, s.v. Swanne, Some take thys to be the elke, or wild swanne.
1621. Markham, Fowling (1655), 6. Such as live of the water & on the water, are wild Swannes, or Elkes, [etc.].
1674. Ray, Water Fowl, 95. The Elk, Hooper, or wild Swan. Ibid. (1691), Local Wds., 129. Elkys, Wild Geese.
1709. Derham, in Phil. Trans., XXVI. 466. Cygnus ferus. The Elk, or Hooper, or Wild Swan.
1839. Proc. Berw. Nat. Club, I. 189. Both of these were of the common or elk species.