Trumpeter swan the park which have not mated in years. Scientists attribute the loss in the park's population to the loss of nests and nesting sites because of spring flooding caused by climate change. Trumpeter swan The trumpeter swan ("Cygnus buccinator") is a species of swan found in North America. The heaviest living bird native to North America, it is also the largest extant species of waterfowl with a wingspan that may exceed . It is the American counterpart and a close relative of the whooper swan ("Cygnus cygnus") of Eurasia, and even has been considered the same species by some authorities.
Trumpeter (bird) 8 species, including two in the grey-winged trumpeter complex, two in the pale-winged trumpeter complex, and four in the dark-winged trumpeter complex. Trumpeters fly weakly but run fast; they can easily outrun dogs. They are also capable of swimming across rivers. They spend most of the day in noisy flocks, sometimes numbering more than 100, on the forest floor. They feed on fallen fruit (particularly fruit knocked down by monkeys). They also eat a small amount of arthropods, including ants and flies, and even some reptiles and amphibians. At night they fly with difficulty into trees to roost above the