6 trumpeter swan cygnets hatch at Lincoln Park Zoo Six trumpeter swan cygnets at Lincoln Park Zoo are the first of the endangered birds to hatch at the zoo since 2009.
June 7, 2013 - KWQC-TV 6 Davenport
6 swan cygnets hatch at Lincoln Park Zoo CHICAGO (AP) — Six trumpeter swan cygnets are the first of the endangered birds to hatch at the Lincoln Park Zoo since 2009. The chicks will eventually be released into the wild as part of a decade-old recovery program. The zoo has released 35 swans in Iowa. read more
June 7, 2013 - IlliniHQ.com