DCHP-1 Online
conjuring duck 
1 the bufllehead, Glaucionetta albeola.
See also: spirit duck
- 1823 The Buffel-headed Duck of Catesby . . . is known to the Canadian settlers also as the Conjuring Duck.
2 the common goldeneye, Glaucionetta clangula.
- 1959 Common Goldeneye [is also called] conjuring duck (In reference to its "magical" ability in diving at the flash of an old-time gun or the twang of a bow-string quickly enough to evade the missile. "N.W.T."). . . .
- 1823 The Buffel-headed Duck of Catesby . . . is known to the Canadian settlers also as the Conjuring Duck.