Galah cockatoos have a reasonably spectacular lifespan that seems to generally be in the higher array when it comes to parrot lifespans. Within the wild it seems they Dwell to all over 20, but least 40 yrs is just not unheard of in any respect for this species in captivity. https://alexiszgwzf.mybjjblog.com/fascination-about-sulphur-crested-cockatoos-48630443