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Island strongholds

作者:独孤塌啤    发布时间:2019-03-08 03:03:12    

BIRDS may be safer from extinction on islands rather than continents, a study of a quarter of the world’s species has found. Small breeding ranges usually put island species at risk, but Stuart Pimm and his colleagues at the University of Tennessee in Knoxville found that birds living in continental lowlands are now several times more likely to be classified as threatened than island species with the same size of breeding range (Nature, vol 399,

 

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