How much does a narwhal calf weigh?

A narwhal calf typically weighs around 100 to 150 pounds (45 to 68 kilograms) at birth. They are usually born in the spring, measuring about 5 to 6 feet (1.5 to 1.8 meters) in length. As they grow, narwhal calves rely on their mother's milk for nourishment during the first year of life.