A common crow-like bird, easy to tame, that is noted for pilfering small articles.
YM8-31S, commissioned 29 April 1944 (q.v.), was re-classified AMS-21 and given the name Jackdaw 17 February 1947.
Jackdaw (AM-368), an Admirable-class minesweeper, was under construction by Puget Sound & Dredging Co., Seattle, Wash., but was cancelled 6 June 1944.
Jackdaw (AM-402), an Admirable-class minesweeper, was under construction at Defoe Shipbuilding Co., Bay City, Mich., but was cancelled 12 August 1945