Trumpeter swan

Banded Trumpeter Swan hen with four young swimming in reeds. This is the largest waterfowl species native to North America. Most weigh 21-30 pounds, males are larger and may exceed 35 pounds.The Trumpeter Swan is the largest waterfowl species native to North America. Most Trumpeters weigh 21-30 pounds, although large males may exceed 35 pounds. Trumpeter Swans were fairly common throughout most of the northern United States and Canada. Market hunting and the millinery trade rapidly depleted nesting populations during the 19th century.