Amur or Siberian Tigers are the largest wildcats in the world. Males weigh around 700 lbs on average and have been recorded weighing as much as 850lbs. They can grow as big as 12 ft in length and stand at about shoulder height on a 6ft man. They are the biggest wildcat ever! http://www.squidoo.com/biggest-wildcat-ever Sat, 18 Feb 2012 00:51:55 -0600 FeedCreator 1.7.2 Sun, 14 Nov 2010 19:43:39 -0600 http://www.squidoo.com/biggest-wildcat-ever Amur or Siberian Tigers are the largest wildcats in the world. Males weigh around 700 lbs on average and have been recorded weighing as much as 850lbs. They can grow as big as 12 ft in length and stand at about shoulder height on a 6ft man. They are the biggest wildcat ever! Sun, 14 Nov 2010 19:43:39 -0600