1. they are Grus japonensis, the rare and celebrated red-crowned crane. 它们则是Grusjaponensis，也就是罕见而知名的丹顶鹤。
2. The left coronary artery of the G. grus is divided into anterior descending branch and circumflex branch. 结果表明，灰鹤心脏左冠状动脉分为前降支和旋支。
3. Stress introduce the inhabit actuality of birds rare be critically ill like as Mergus serrat or and Grus monacha. And lodge relevant propose of protection and management. 重点介绍了中华秋沙鸭、白头鹤等珍稀濒危鸟类的栖息地状况，并提出相应的保护管理建议。
英英解释
n.
1. a small constellation in the southern hemisphere near Phoenix
2. type genus of the Gruidae: typical cranes
