Amazing Tiger Facts for Kids Tigers are some of the most popular animals in the world. Well known for their unique markings of orange and black, tigers are depicted in many stories, films, and works of art all around the world. In spite of their popularity, only a few people really know the tiger. Here are some amazing facts about the tiger: Tigers belong to the same family as the common house cat. Being the largest species of the cat family, tigers can weigh up to 720 pounds, and can stretch up to six feet. Tigers that are grouped together are called an "ambush" or "streak." Although they belong to the cat family, tigers are not afraid of water. In fact, tigers can swim across long bodies of water.