Colleen Lynch

Over the last 10 years, the annual hatching of trumpeter swan cygnets has been a mainstay at Lincoln Park Zoo. These chicks have all left the zoo each fall to be released to the wild as part of the Iowa state recovery program for this once-imperiled species.

The program has been so successful that Lincoln Park Zoo cygnets were not needed for reintroduction this year and the zoo’s breeding pair were given “dummy eggs” so that they would not produce chicks.

But that doesn't mean that zoo swans aren't still making their mark in Iowa. Released swans are banded with numbered neck collars and are tracked by biologists and local birdwatchers. 74K is one such banded female. She hatched at Lincoln Park Zoo in 2005 and was released to the wild near Granger, Iowa a year later.

This year she hatched six cygnets of her own at Tieg's Marsh. 74K is one of 38 trumpeter swans hatched at the zoo between 2000 and 2009 that have been released to the wild. We occasionally receive updates on their progress and this report about 74K is some of the best news yet.

Colleen Lynch
Hope B. McCormick Curator of Birds

Comments

The remains of Trumpeter Swan, 7K3 have found their final resting place as a museum mount in the Henry County Iowa Oakland Mills Nature Center. I call him Romeo because he was shot seeking to return to his downed mate. As the short story of his life grows he nearly comes to life again. Any information that You might be able to supply about this swan, his parents, his nest mates and the program of cooperation with Iowa restocking efforts by the zoo would be appreciated.

Steve Wilson
President of the Sanctuary Wetland Association

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