Among the species of seabirds that use the windswept cliffs of the Atlantic coast of Canada in the summer to mate，lay eggs，and rear their young are common murres, Atlantic puffins，black-legged kittiwakes，and northern gannets.
(倒装句：Among the species of seabirds…are…=…are among the species of seabirds…)
夏天在加拿大大西洋沿岸迎风的悬崖上交配、产卵并抚育后代的海鸟中有普通海鸦、大西洋海鹦、黑脚三趾鸥和北部塘鹅。
分句1. Among the species of seabirds are common murres, Atlantic puffins，black-legged kittiwakes，and northern gannets.
分句2. use the windswept cliffs of the Atlantic coast of Canada in the summer to mate，lay eggs，and rear their young
1和2嵌套
1是倒装结构，正常的句子顺序是：Common murres, Atlantic puffins，black-legged kittiwakes，and northern gannets are among the species of seabirds.
主宾颠倒，是因为宾语seabirds后边跟着一个定语从句2.
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