The greater sandhill, another subspecies also present on the Platte, is larger.

较大沙丘鹤——也出现在普拉特河的另一亚种——增重更多。

James knows some sandhill cranes rest in a small water area in the evening.

詹姆斯知道一些沙丘鹤总是在傍晚飞到里面的一小片水域休息。

Sandhill Cranes twittering outside, but Tom and I only could looking at James.

沙丘鹤的叫声在帐外响起，可汤姆和我只能看着詹姆斯。

Sandhill cranes were used in the experiment because whooping cranes are so rare.

先用沙丘鹤做试验，是因为高鸣鹤实在太罕见。

During this stopover, a six-pound lesser sandhill adds about a pound and a half of fat to its weight.

在中途停留期间，体重不到六磅（约2.72公斤）的沙丘鹤会增加约一磅半（约0.68公斤）的脂肪。