Petra, a black swan, swims next to a boat shaped like an outsized white swan after she was taken back to the Aasee in Muenster, Germany, Friday, March 28, 2008. In 2006, Petra, became so attached to the boat that she refused to leave its side. Officials at a zoo in Muenster finally parted bird and boat last week after Petra settled down with a real white swan. But the romance was short-lived. (AP Photo/Martin Meissner)
Black swan 'Petra' welcomes her 'partner', a swan-shaped pedal boat at a small lake at the Zoo in Muenster, western Germany, in this March 9, 2007 file photo. Petra the swan didn't get far without her beloved swan-shaped paddleboat. In 2006, Petra, a black swan, became so attached to the boat — shaped like an outsized white swan — that she refused to leave its side. Officials at a zoo in the German city of Muenster finally parted bird and boat last week after Petra settled down with a real white swan. But the romance was short-lived. The zoo says that, on Saturday, her new beau flew off and sought out the company of its other black swans. (AP Photo/Frank Augstein)
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