ÎLE AMSTERDAM, France: Conservationists are working to rid a remote French southern Indian Ocean island of rodents and stray cats by the end of next year to protect prized albatrosses and other birds.

We want "to eradicate all rats, cats and mice in the winter of 2024," said Lorien Boujot, in charge of managing invasive mammals on the UNESCO-listed Ile Amsterdam. Roughly equidistant from Madagascar ...