Here’s some facts about baby tigers. A baby tiger is called a cub and every litter usually has 1-6 cubs. Around half of tiger cubs don’t live beyond two years of age. Babies are born with blue eyes, which open when they are about 10 days old. After the tiger cubs are born, the mother tiger cleans the cub by licking it with her rough tongue. The cubs cannot hunt on their own until they are approximately one and a half years old. Theys leave their mother when they are around 2 years of age. Tigers are the heaviest cats in the wild, weighing up to 660lbs (300kg) and can reach up to 11ft (3.3m) in length. Like most cats, the tiger is an ambush predator, but of all the big cats, only the tiger and jaguar are strong swimmers. Today, there are mainly 6 species of tigers that inhabit the planet.