Large Island Declared Rat-Free in Biggest Removal Success - 1

A worker fills a rat bait bucket with poison on South Georgia Island, in an effort to stop the invasive animals from wiping out endangered species.

A helicopter moves a bait bucket, in view of "Team Rat's" camp, where workers stayed.

Patrick Lurcock and George Lemann worked on the South Georgia Heritage Trust's Rat Eradication Project.

Rat-detection dog Wai played a part in making sure all the invasive rodents were found.

One of the invaders on South Georgia Island.

An Antarctic fur seal rests on South Georgia Island.

South Georgia pipits are already showing recovery as the rats declined.