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。

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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。

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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。

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The mammals are not native to the isles and have been blamed for preying on the eggs of ground-nesting wading birds.

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"We hope the clearing of a lot of bracken and re-seeding of heather will bring back ground-nesting birds as well as more cuckoos, " she added.

BBC: Birdwatcher gave 1922 cuckoo clue

Now their appetite for the eggs and chicks of ground-nesting birds such as the South Georgia pipit and pintail is threatening the survival of these endemic species.

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