(1)後部の皮膚の穴で若者を孵す
(2)南米産のヒキガエル
(3)incubates its young in pits in the skin of its back
(4)a South American toad; incubates its young in pits in the skin of its back
さらに詳しく
(1)無舌類のカエル
(2)tongueless frogs