Those three were more pets than anythinh. Honestly the 8 year old should have been culled much earlier. He wasn't a healthy bird and he barely ever bothered to breed. The 9 year old was a red sexlink who laid until 8, but not as often as the first 3 years. She ended up with some issue where she...
My oldest ones were 8 (put down), almost 10 (thinking heart attack) and 9ish (started going down hill and then stomped by a cow). Everyone else is either currently alive and going for a new record, planning on not being here forever or taken by a predator.