Why wolverines are so ferocious?

Why wolverines are so ferocious? ➤ Please consider to SUBSCRIBE: https://www.youtube.com/c/WildCiencia... ➤ For business inquiries: [email protected] ➤ Narrated by: David McCallion ➤ Background music: https://www.youtube.com/watch?v=n1g2B... ➤ Credit: Photo by Vincent van Zalinge on Unsplash Photo by Hans Veth on Unsplash Ahma (Gulo gulo) 10 kallerna.jpg - https://commons.wikimedia.org/wiki/File:Ahma_(Gulo_gulo)_10_kallerna.jpg Vielfraß (Gulo gulo) Zoo Salzburg 2014 e.jpg - https://commons.wikimedia.org/wiki/File:Vielfra%C3%9F_(Gulo_gulo)_Zoo_Salzburg_2014_e.jpg Wolverine 01.jpg - https://commons.wikimedia.org/wiki/File:Wolverine_01.jpg Revett Lake in Idaho Panhandle National Forest - https://en.wikipedia.org/wiki/Idaho_Panhandle_National_Forests#/media/File:RevettLake.jpg #Wolverines