12 October 1961 Rochester Zoo, New York
Spring 1962 at zoo, Rochester, New York
29 August 1971 northeast Oahu, Hawaii
7 June 2009 Arvada, Colorado
14 July 2009 Changsha, China
7 July 2012 Tianjin, China
2 August 2012 Tianjin, China
16 July 2014 Zhenjiang, China
23 October 2016 far NW of Sicily, Italy
12 May 2017 Arvada, Colorado
15 July 2017, Beijing Zoo, China