Trumpeter swan which is apparent even when the swan is not standing or swimming upright) and larger, wedge-shaped bill as compared to the tundra swan. Trumpeter swans have similar calls to whooper swans and Bewick's swans. They are loud and somewhat musical creatures, with their cry sounding similar to a trumpet, which gave the bird its name. Beginning in 1968, repeated in 1975, and then conducted at 5-year intervals, a cooperative pan-continental survey of trumpeter swans was last conducted in 2015. The survey assesses trumpeter swan abundance and productivity throughout the entire breeding ranges of the three recognized North American populations: the
USS Trumpeter USS Trumpeter USS "Trumpeter" (DE-180) was a built for the United States Navy during World War II. She served in the Atlantic Ocean and provided escort service against submarine and air attack for Navy vessels and convoys. She was named in honor of Navy aviator Lt. (jg.) George Nelson Trumpeter who was killed in action during "Operation Torch" on 8 November 1942. The ship was laid down on 7 June 1943 at Newark, New Jersey, by the Federal Shipbuilding and Drydock Co.; launched on 19 September 1943; sponsored by Mrs. Hazel Vivian Trumpeter, mother of Lt. Trumpeter; and commissioned on