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A 0.6 m deep pond was dug in a lawn for amphibians; within weeks, it received five egg masses of wood frogs, gained branches and leaves as a nursery, native grasses on its edge, and became a source of mud for swallows’ nests
当缅因州乡村的一位房主决定为两栖动物挖一个 0.6 米深的浅池塘时，目标很简单：... 阅读更多
