Top 3: Cougar Facts, Big Cat Week

Learn some littleknown facts about mountain lions. Subscribe: Watch all clips from Big Cat Week here: Get More Big Cat Week: About Big Cat Week: Nat Geo WILD presents a week dedicated to natures fiercest felinesbig catscreatures of magnificent strength, ferocity and beauty that are rapidly facing extinction. With visually stunning and powerful stories from around the world, get closer than ever before to