The typical tiger litter is 2 to 3 cubs. The young tigers will stay with their mothers in a family group for up to two years, learning the skills of hunting before separating to take up their independence. The average lifespan of a lion is 15-20 years. The average litter is 3-4 lion cubs. Dolphins have cone shaped teeth whereas porpoise have spade shaped teeth.
Dolphins have good eyesight both in the air and in the water.
The male Siberian or Amur Tiger, with a total body length in excess of 10 ft and weighing up to 300 kg is by far the largest and most powerful member of the cat family. Young male tigers may travel far, living a solitary life before establishing their own territory. Females often stay close to their mother and in some cases share parts of her territory. Dolphins live in temperate and tropical waters worldwide. There are several species of freshwater and river dolphins, all of which are threatened or in danger of extinction.