DCHP-1 Online
crow duck 
the double-crested cormorant, Phalacrocorax auritus, so called because its color suggests a crow and its habits a duck.
- 1792 (1934) This day we took some eggs of the Crow duck . . . a large black kind of duck with a beak like a crow and lives upon fish.
- 1938 The cormorants, known also as shags and water turkeys, are large black divers nearly the size of a wild goose, known to the Crees as crow ducks.
- 1959 Double-crested Cormorant . . . crow duck (In allusion to its colour and somewhat duck-like appearance. . . .).
- 1792 (1934) This day we took some eggs of the Crow duck . . . a large black kind of duck with a beak like a crow and lives upon fish.