What would happen if a wolverine and a tasmanian devil had a fight who do you think would win this nonfiction reader compares and contrasts two ferocious mammals readers will learn about each animals anatomy behavior and more then compare and contrast the battling animals before finally discovering the winnerthis nonfiction series is . Wolverine is 25 kg and a tassy is 8 kg both measurements are average estimates the wolverine is one of the most aggressive animals in the world the smallish tasmanian devil is not even close to its weight class a wolverine is a basically a . In north america pound for pound a wolverine is considered to be the toughest animal in australia a tasmanian devil is considered to be the toughest mammal oops we have a jealous honey badger intruding into the book africans consider the honey badger to be the toughest animal