Trumpeter swan was still capable of flight due to its bulk. The adult trumpeter swan is all white in plumage. Like mute swan cygnets, the cygnets of the trumpeter swan have light grey plumage and pinkish legs, and gain their white plumage after about a year. As with a whooper swan, this species has upright posture and generally swims with a straight neck. The trumpeter swan has a large, wedge-shaped black bill that can, in some cases, be minimally lined with salmon-pink coloration around the mouth. The bill, measuring , is up to twice the length of a Canada goose's ("Branta canadensis")
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