The same is true about a leopard's spots or a jaguar's rosettes. In the race for most awesome predator, the lion loses out to the larger, more powerful tiger. The only serious competition was the grizzly bear, which is larger and stronger. But the tiger's speed and agility tip the balance in favor of stripes. Pound for pound a tiger has five times the pulling strength of a trained human athlete because of the muscle mass and shape.
Tigers can see about six times as well in the dark as a human.
However a human has better vision than a tiger during the day. A tiger's life begins in a litter of two to five cubs - three is usual. They come into the world blind and weighing only about two to three pounds. They nurse their mother for six to eight weeks before they develop a lifelong passion for meat. They usually make their first kill around 18 months.