Lifespan
The average lifespan in captivity, according to Zoo Basel, is over 60 years.
The oldest known Greater Flamingo, a resident of the Adelaide Zoo in Australia, is at least 77 years old. The bird's exact age is not known; however, he was already a mature adult when he arrived in Adelaide in 1933, and he was still there as of 2011.
Read more about this topic: Greater Flamingo