USS Jackdaw (AMS-21)
USS Jackdaw was a built for the United States Navy during World War II. She was the third U.S. Navy ship to be named for the jackdaw.
History
USS YMS-373 was constructed at the Weaver Shipyards, Orange, Texas. She was laid down on 28 December 1942, launched on 29 January 1944, and commissioned as USS YMS-373 on 29 April 1944.On 18 February 1947 YMS-373 was reclassified as a minesweeper, USS Jackdaw.
Jackdaw was transferred in 1960 to Brazil, which named her Jurvá.