Their rear end is light tan. Adult elk are about 5 feet high and 9 feet long. Male elk are called bulls. They can weight more than 1000 pounds. Their huge antlers can weigh 25 pounds.
Bulls lose their antlers in the spring.
They grow new ones that are covered with soft velvet. Female elk are called cows. They are much smaller than bulls. Elk cows usually have two calves that are born in early summer. An elk baby is called a calf.