Trumpeter swans are white birds with black wing tips. They have a long, slender neck and a large, round head. The males are larger than the females, and they have a longer neck and a larger bill.
Trumpeter swans are found in freshwater habitats, such as lakes, rivers, and marshes. They feed on aquatic plants, insects, and mollusks. Trumpeter swans are migratory birds, and they winter in the southern United States and Mexico.
Trumpeter swans are listed as a threatened species in the United States. Their population has declined due to habitat loss and hunting. Conservation efforts are underway to help protect the trumpeter swan and its habitat.