禽类就是鸟类。 birds两足、恒温、卵生的脊椎动物，身披羽毛，前肢演化成翅膀，有坚硬的喙。Birds are feathered, winged, bipedal, endothermic (warm-blooded), egg-laying, vertebrate animals.
禽类就是鸟类。 birds两足、恒温、卵生的脊椎动物，身披羽毛，前肢演化成翅膀，有坚硬的喙。Birds are feathered, winged, bipedal, endothermic (warm-blooded), egg-laying, vertebrate animals.
