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.
May 2, 2011. When you dispute an entry on your credit report and send a dispute to the credit bureau, it has 30 days to respond. Credit bureaus are obligated to take disputed entries off of credit reports after 30 days unless the creditor can prove the entry is valid. Even if the entry is valid it will still go off of the credit report if the creditor doesn't verify it in time. That doesn't mean the entries are gone for good, however.