Invasive mute swans throughout Indiana pose a threat to trumpeter swans. Mute swans are an aggressive bird that can negatively impact trumpeter swans through direct killing of adults and their young, ...

Named for its call, the trumpeter swan, Cygnus buccinator, is one of the world’s largest flying birds, with weights up to 35 pounds and wingspans reaching eight feet. Once hunted for food and ...

Where they had come from and where they were going was a mystery. About the same size as a trumpeter swan, the largest bird in North America, the mute swan measures up to 60 inches in length with ...