Assertion: tern's chick | /r/HasProperty | unfledged
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text: One example of this bird's remarkable long-distance flying abilities involves an Arctic tern ringed as an unfledged chick on the Farne Islands, Northumberland, UK, in the northern summer of 1982, which reached Melbourne, Australia in October 1982, just three months from fledging — a journey of over 22,000 km (14,000 mi).