دیو لوکاس، محافظه‌کار، در مورد موش‌های پا سیاه: «ما یک شکارچی را به معادله اضافه می‌کنیم که باید آنجا می‌بود»

Dave Lucas, conservationist, on black-footed ferrets: “We’re adding a predator back to the equation that should have been there”

It was thought that black-footed ferrets had gone extinct but a chance discovery of a colony in Wyoming has provided an opportunity to save the species.