- A tall wading bird(Balaeniceps rex) native to swampy regions of eastern tropical Africa, having slaty plumage, long black legs, a stubby neck, and a large shoelike bill with a hook on the upper mandible. 鲸头鹳：一种产于非洲回归线地带东部的涉水鸟，（鲸头鹳） 属，羽毛为深蓝灰色，腿长而黑，脖子短粗，有一个大型鞋状喙，上颌有一个钩子