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) ground. Trumpeters nest in a hole in a tree or in the crown of a palm tree. They lay 2 to 5 eggs with rough, white shells, averaging about . In the pale-winged trumpeter and the grey-winged trumpeter, groups of adults care for a single clutch. Trumpeters are often used as "guard dogs" because they call loudly when alarmed, become tame easily, and are believed to be adept at killing snakes. One source states their skill at hunting snakes as a fact, and the nineteenth-century botanist Richard Spruce gave an account of the friendliness and snake-killing prowess of a tame