How old was the world's oldest greater flamingo?

approximately 15
approximately 30
approximately 50
over 80
Greater was the world's oldest greater flamingo, residing at the Adelaide Zoo in Adelaide, Australia. It was at least 83 years old, having arrived at the zoo from either Cairo or Hamburg in either 1933, 1930, 1925, or 1919, at which point it was already a full-grown adult. On October 29, 2008, Greater was attacked and beaten by four teenagers. In late January 2014, Greater's health deteriorated even further, and the decision was made to euthanize Greater.
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