“Four gray wolves (Canis lupus) have been airdropped into Michigan for a very important assignment. The quartet, originally from Canada, has been helicoptered into Isle Royale national park to check the 2,300-square-kilometer island’s moose population, which has exploded in the absence of the canine predator.”
▻https://www.iflscience.com/plants-and-animals/canadian-wolves-are-being-airdropped-into-michigan-for-a-special-mission