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A survey of about 600 scientists published this week found that a majority think it's time to consider conservation triage - focusing resources on animals that can realistically be saved, and giving up on the rest.

Those that fall into the too-expensive-to-save category, it has been suggested, might include the panda and the tiger.

So, should we give up on one endangered species to save another? Here, two experts argue for and against triage.   Read More