The image above is of the larva of a ground-nesting solitary bee from Turkey.
上图是来自土耳其的地面筑巢独居蜂的幼虫。
2
The young of ground-nesting warblers produce begging cheeps of higher frequencies than do their tree-nesting relatives.
相比在树上筑巢的同种类雏鸟，在地面筑巢的鸣禽雏鸟会发出频率更高的乞食叫声。
3
David Haskell created artificial nests with clay eggs and placed them on the ground beside a tape recorder that played the begging calls of either tree-nesting or of ground-nesting warblers.
David Haskell 制作了一些盛有泥蛋的人造鸟巢并把它们放在地面上，旁边有一个录音机，播放着树莺或地面莺的的乞食叫声。