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• The wingbeat of a whooper swan is so powerful it can break a child's arm.
• Whooper Swans are monogamous birds forming lifelong pairs. They stay together even during wintering, and partner change is possible only in case of one swan's death.
• The whooper swan got its name for its loud, trumpet-like calls, especially frequently made during flight.
• The largest nesting colonies of the Whooper Swan are found in the Bairovsky Republican State Nature Reserve, where one of the main activities is the reproduction and protection of swans.