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As climate warms, species may need to migrate or perish : Comments
By Carl Zimmer, published 6/5/2009Global warming is pushing some species to the brink of extinction: the only way to save some species may be to move them.
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Posted by fungochumley, Wednesday, 27 May 2009 8:29:41 PM
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The vast majority of extinctions on this planet occurred before humans came along. It seems ludicrous to me, therefore, to think that the small number that have occurred since HAVE to be attributed to mankind, and that previous reasons are somehow no longer possible. Why shouldn't a species die because of eating the wrong food? Getting a disease? Contrary to Poisonas's apparent view, there are naturally occurring substances toxic to particular species (try eating a wild almond if you doubt it). Extinction happens!
Lastly, just for your interest, I will point out there are examples of species believed extinct being rediscovered, eg. the New Zealand storm petrel after being thought extinct for 150 years!
I hope you consider some of this substantial. Personally, I consider 'unsubstantiated' claims, and the failure to acknowledge them, to be 'unsubstantial'. And already rue the abundance of this on OLO.
X for now!