Avifauna: Turnover on Islands

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Science  17 Dec 1965:
Vol. 150, Issue 3703, pp. 1587-1588
DOI: 10.1126/science.150.3703.1587


The percentage of endemic species of birds on islands increases with island area at a double logarithmic rate. This relation is apparently due to extinction, which is more rapid the smaller the island. The turnover resulting from extinction and replacement appears to be far more rapid than hitherto suspected.