The island on New Zealand’s $5 note once held 200,000 rats; a 19-person team cleared them all, and native birds returned

The island on the reverse of New Zealand's $5 note appears remote and pristine, with subantarctic vegetation and wildlife set against the Southern Ocean. But Campbell Island, also known as Motu Ihupuku, has a history of intensive human use and introduced predators.

Raccontata datimesofindia.indiatimes.com