If disaster should befall the larger chick the parent can switch to feeding the youngest and it will exhibit a constant growth curve from the day of active feeding. From Wikipedia
Simply send them a letter (with proof of delivery) using the contact information found on your credit report. Generally they have 30 days to investigate and get back to you, or the information must be removed.
Paying off a charge off does not remove it from the credit report and there can be loans available to. This is a tough one. Paying off charge offs does not remove them from your credit reports. The original creditor is pretty much out of the picture at this point. And making a payment now could extend the statute of limitations by another four or five years (depending on the SOL for those debts).