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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, ...
Spring is a time when natural sounds seem even more obvious and diverse, with new sounds of frogs, insects, sea lions, and ...
The pre-dawn is clear, cool and calm when I step outside. In the fading darkness, a barred owl calls from the nearby woods. In the growing light of a new day, I hear songs of a robin and a phoebe, ...
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 ...
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