Hermit crabs need a lot of calcium to support the health of their exoskeleton, and this is especially true during molting. Ways to provide ample calcium to your crabs include the following: cuttlebone - readily available in pet stores (check the bird section) and can be given whole, or shredded and added to food.
Female elephants are called cows. Male elephants are called bulls. An entire group of elephants are reffered to as a heard. Elephants are very intelligent animals with complex social structures.
African elephants are the largest of all land animals, adult males weighing between 1,800 and 6,300 kg (2 and 7 tons/ 4,000 and 14,000 lb.). Females are smaller, weighing between 2,700 and 3,600 kg (3 and 4 tons/ 6,000 and8,000 lb.). Shoulder height ranges between three and four m (9.8 and 13.1 ft.).