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。
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.
几处早莺争暖树。
埃及无花果树丛中莺群一片啁啾，麻雀在唱凯歌，啄木鸟爬土板栗树用嘴在树皮的窟窿里啄着。
In the sycamores there was an uproar of linnets, sparrows triumphed, woodpeckers climbed along the chestnut trees, administering little pecks on the bark.
埃及无花果树丛中莺群一片啁啾，麻雀在唱凯歌，啄木鸟爬土板栗树用嘴在树皮的窟窿里啄着。
In the sycamores there was an uproar of linnets, sparrows triumphed, woodpeckers climbed along the chestnut trees, administering little pecks on the bark.
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