Avoiding (Re)extinction

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Science  18 Apr 2014:
Vol. 344, Issue 6181, pp. 260-261
DOI: 10.1126/science.1250953

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Field biologists have traditionally collected voucher specimens to confirm a species' existence. This practice continues to this day but can magnify the extinction risk for small and often isolated populations. The availability of adequate alternative methods of documentation, including high-resolution photography, audio recording, and nonlethal sampling, provide an opportunity to revisit and reconsider field collection practices and policies.