Elk | Elk Grazing Male elk are called bulls. They weight over 1000 pounds and lose their antlers each spring. Female elk, called cows, are a bit smaller. Elk cows usually have two calves; born in early summer. Elk are aggressive animals; dangerous year-round. Females can be really aggressive in the spring when their babies are born. Males get even more aggressive in the fall during rut. To learn more about elk, see Elk | a 7 Image Story.
