animals Arabian brown bushy-eyebrows camel camel-wool camelids camelus-dromedarius coat cow curly-eye-lashes domesticated dromedary efficient endurance even-toed-ungulate fawn feral foot fore-foot hair hardy hump leathery-pads mammals molt molting moult moulting Ships-of-the-Desert strength strong toes tough two-toed ungulates wool woolly austere bank bleak canada cliff dour glacier harsh ice mountain natural nature peak range rock Rockies Rocky Mountains silt snow stern summit