An Entire Island Just Kicked Out All Its Ferrets. Yes, Ferrets.

Rathlin Island, a small, windswept rock off Northern Ireland, just achieved a conservation first: it officially evicted every single feral ferret. Let that sink in. Someone actually managed to clear an entire island of the little carnivorous weasels.

Turns out, these aren't your friendly neighborhood pet ferrets. These were the descendants of a rather ill-advised 1980s experiment. The original plan? Bring in ferrets to munch on rabbits, which were annoying farmers. The ferrets, being ferrets, promptly decided seabirds, their eggs, and their adorable chicks were a far more appealing menu item.

A Puffin's Worst Nightmare

Rathlin is basically a five-star resort for over 250,000 seabirds, including the impossibly charming puffins, razorbills, and guillemots. But for years, the ferret population was basically a furry, fanged apocalypse for these birds.

Erin McKeown, program manager for the aptly named Life Raft project, highlighted the stakes: Rathlin's puffin population had plummeted by over 70%. She pointed to one particularly egregious ferret who, in 2017, single-handedly massacred 26 adult puffins in just two days. Considering puffins lay only one egg a year, that's less a population decline and more a full-blown crisis.

So, in 2021, a multi-agency, multi-million-pound project (we're talking £4.5 million, or about $6.1 million, because apparently that's what it costs to evict ferrets) kicked off. The goal: remove all 93 estimated ferrets from the island. It involved trappers, conservationists, government agencies, and the entire local community, all united by a shared vision of a ferret-free future.

And now, they've done it. Rathlin Island is officially ferret-free. Which, if you think about it, is both impressive and slightly terrifying for anyone who's ever tried to wrangle a house cat, let alone 93 wild ferrets on an island.