It would be unfair to clone any extinct animal if they would have to live in a zoo.

如果你克隆出任何绝种动物，而它们必须生活在动物园里那是不公平的。

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In 2008, that same team bought mammoth hair on eBay and sequenced the entire mammoth genome-the first genome of an extinct animal.

2008年，这个小组从eBay网上买了猛犸象的毛发，并对猛犸象的整个基因组进行排序——首个灭绝动物的基因组。

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I am in the position of a biologist who from a single bone must reconstruct not only the appearance of an extinct animal, but its habits.

我的处境很象一个生物学家，根据一根骨骼不仅要重新塑造出一个早已灭绝的生物的外貌，还要推测出它的生活习惯。

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Even justifying trying to resurrect a woolly mammoth, or a mastodon, or the dodo bird or any other extinct animal gets ethically thorny.

CNN: Don't clone a Neanderthal baby

Presenter, Martin Hughes-Games goes on a mission to find an animal which has been declared extinct in Wales - the pine marten.

BBC: Springwatch returns to Ynys-hir reserve in mid Wales

That made it the most valuable charity auction to support conservation projects, which is important, because as DiCaprio mentioned in his opening speech, less than 2% of philanthropic dollars globally support conservation projects, despite the fact that 140, 000 animal and plant species are becoming extinct every year, which is 10, 000 times the historic extinction rate.

FORBES: Leonardo DiCaprio's Charity Auction Raises $38M To Fund Global Conservation