Arabian brown bushy eyebrows calf camel camel wool camelids camelus dromedarius coat cow curly eye lashes domesticated dromedary efficient endurance even-toed ungulate fawn feral hair hardy hump leathery pads mammals molt molting moult moulting Ships of the Desert strength strong tough two-toed ungulates wool woolly age aged aldabra giant tortoise aldabrachelys gigantea armor armored armorment armour armoured armourment carapace eating eating grass elongated neck giant tortoise herbivore hide large tortoise leathery longevity neck old plod plodding protection protective reptile reptilian Seychelles shell size skin slow texture textured textures tortoise zoo animals bushy-eyebrows camel-wool camelus-dromedarius curly-eye-lashes even-toed-ungulate leathery-pads Ships-of-the-Desert