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
Trumpeter whiting as they mature and move into deeper waters. The species spawns during summer, with young fish often penetrating into estuaries and seagrass beds. The species is highly sought after by both recreational and commercial fishermen, with the fish highly regarded as a table food. The trumpeter whiting has two close relatives, the oriental trumpeter whiting and the western trumpeter whiting, which can be easily confused with "S. maculata". The trumpeter whiting is one of 29 species in the genus "Sillago", which is one of three genera in the smelt-whiting family Sillaginidae. The smelt-whitings are Perciformes in the suborder Percoidea. The