科学与环境
Birdsong tells only part of a forest's story: Evolutionary trees reveal the rest
来源: Phys.org - latest science and technology news stories · 发布于
Birds calling back and forth in the morning make up one of the defining sounds of tropical forests. We're likely to assume that hearing or seeing more types of birds indicates a healthy forest.
Birds calling back and forth in the morning make up one of the defining sounds of tropical forests. We're likely to assume that hearing or seeing more types of birds indicates a healthy forest.
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