I've lost pets of several types to deaths over the years, that is inevitable, but luckily the cockatoo I mentioned here transitioned to being a breeder when my situation changed and I could no longer keep him. Last I knew he and his mate were still going strong and contributing to the gene pool. He'd be nearly 30 years old now.
That's good to hear about your 'too! He should have a long life ahead of him!
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