The extinctions differ from species to species, and we don't find any common genetic characteristic to distinguish extinct from surviving species.
各个物种的灭绝原因都不相同，而且找不到任何遗传特性来区别灭绝物种与存活物种。
Extinct but already fully marine cetaceans are known from the fossil record.
从化石记录中可以了解到一些已经灭绝、但已经完全变成海洋生物的鲸目动物。
Archaeological finds of nuts from the extinct Easter Island palm show tiny grooves, made by the teeth of Polynesian rats.
从已灭绝的复活节岛棕榈坚果的考古发现中可以看到由波利尼西亚老鼠的牙齿形成的小凹槽。
A local population that goes extinct is quickly replaced by immigrants from an adjacent community.
当地消亡的人口很快就会被来自邻近社区的移民所取代。
A paper from Science of the Total Environment shows that the largest freshwater fish in China might have gone extinct between 2005 and 2010. Wei Qiwei, author of the paper, said in September, 2019, some experts supposed that the first-class protected fish had been extinct already.
《整体环境科学》的一篇论文显示，中国最大的淡水鱼可能已经在2005年至2010年间灭绝了。2019年9月，该论文的作者危起伟表示，一些专家认为这种一级保护鱼类已经灭绝。
The researchers also made what they say are the first sequences of nuclear DNA from the extinct American mastodon.
据研究者说，他们还首次完成了已灭绝的美洲乳齿象细胞核DNA序列的测定。
The horse was re-introduced to America (as original paleo-American populations of wild horses from the Bering land bridge were extinct) and quickly adapted to free range on the sprawling great plains.
马重新有引入到美洲(最早由原始美洲人通过白令海峡带来的野马已经灭绝了)，迅速适应并遍布大平原。
The mastodon became extinct about 10, 000 years ago - around the same time that mammoths disappeared from most of their range.
美洲乳齿象在约1万年以前灭绝-几乎在同一时间猛犸象也从大多数它们分布的地方消失了。
A real-life Jurassic Park for extinct creatures has moved a step closer after scientists extracted DNA from the fossilised eggshells of birds
科学家们成功地从灭绝鸟类的蛋壳化石中提取DNA，从而为我们揭示了更为真实的侏罗纪公园 。
A fossil from an extinct relative of the rhinoceros, Telataceras, set the record for highest vertebrate fossil found in Utah.
一具属于犀牛业已灭绝的一支近亲——Telataceras——的化石创造了犹他州所发现的最高有脊椎动物化石的记录。
Tinigua is a nearly extinct language from Colombia.
蒂尼瓜语(Tinigua)是哥伦比亚一种近乎灭绝的语言。
Using new techniques we obtain DNA signatures from a variety of fossil eggshells, including the extinct moa and elephant birds and 19, 000-year-old old emu.
我们还利用新技术检测了各类蛋壳化石，包括已灭绝的摩亚、象鸟以及19000年前的鸸鹋蛋壳，并从中获取了DNA签名。
As Naish points out, though, the new findings about Samrukia demonstrate that modern birds "weren't as distinct from extinct groups of Mesozoic birds as people used to think."
Naish指出，关于Samrukia的新发现证明了现代鸟类与已灭绝的中生代鸟类种群的不同程度并非像人们曾认为的那样。
The scientists believe the genetic adaptation technique could be used to resurrect body parts and proteins from other extinct animals.
科学家相信，猛犸象的这种遗传性适应技术（为适应北极寒冷的环境，静脉中出现防冻剂），可能能够被用于复活其他已灭绝动物的身体部位或者蛋白质。
In an extraordinary Jurassic Park - style experiment, DNA from a frozen specimen of the extinct giant was used to reproduce their blood.
在一项非同寻常的“侏罗纪公园”(Jurassic park)式的实验中，已灭绝的巨型猛犸象的一个冰冻标本的DNA被用于再造它们的血液。
Savannah and forest elephants have been separated for at least three million years, they say, and are as distinct from each other as Asian elephants are from the extinct woolly mammoth.
草原象和森林象已经分开了至少3百万年，研究者表示，就像亚洲象和已灭绝的长毛猛犸象一样，彼此成为完全不同的物种。
We can tell from fossil evidence in rocks that many living species have become extinct over the millions of years since life began.
我们可根据岩石里的化石得出结论：自生命开始数百万年以来，许多物种已经灭绝了。
This was verified by the Oxford researchers using 511 different samples ranging from extinct species only available as fossils, up through current living examples.
这被牛津的研究人员用511个不同的例子证明了，它们的范围从已灭绝动物的化石到现存的例子都有。
These animals have a distinct instinct of protecting themselves from being extinct.
这些动物有一种明显的本能,能保护自己不灭绝.
And though it has only recently been discovered, Gentile says conservation measures are needed to prevent the pink iguana from going extinct.
虽然这只是最近才发现，但金泰尔说，需要保护措施来防止粉红色鬣蜥灭绝。
He and his colleagues made a microscopic inspection of fossils of feathers from extinct birds.
于是他和他的同事对那些已经灭绝的鸟类羽毛的化石做了显微观察。
The flowers are there, much more restricted in range than they once were but far from extinct.
野花依旧，虽说比原先的范围更小，却远未到灭绝的地步。
The nonprofit maintains the Red List, a registry that ranks the status of various species, from thriving (" least concern ") to extinct.
这个非盈利组织维护着红色名单，一本分类排列着各物种状态——由繁荣(“最少关注”)至绝种——的登记册。
My poor friend Andrei Bumblowski, formerly Professor of Philosophy in a now extinct university of Central Europe, appeared to me to suffer from a harmless kind of lunacy.
我可怜的朋友安德烈．巴姆布朗斯基，一位伦敦中部一所现已废弃的大学的前教授，在我看来患上了一种无实质性损害的精神错乱。
The researchers at Oxford University charted the evolution of mammal brains over the last 60million years – from a few million years after the dinosaurs became extinct to the modern day.
牛津大学的研究者用表格的形式对哺乳动物在过去600亿年里的脑进化进行了描述 - 即从恐龙灭绝后的几百万年到今天的这段时间里。
Some of the more reclusive creatures managed to hide from sight for 80 years only to reappear within four years of being officially named extinct in the wild.
有些行踪更隐秘的生物在消失了80年后被官方宣告已在野外绝种，而在宣告后不到四年，它们又再次现身。
Over the past two millennia, hundreds of its native plants and animals have been rendered extinct because the human population has risen from about one million to more than 51 million.
在过去的两千年间，由于当地人口数量由100万左右上升到超过5100万，成百上千的当地植物和动物慢慢灭绝。
We all know that by keeping animals from becoming extinct, we are helping ourselves.
我们都知道保护动物免遭灭绝，就是保护我们自己。
But in fact we are a long way from being able to clone extinct animals.
但事实上，想要克隆绝种动物，我们还要很长的路程要走。
But in fact we are a long way from being able to clone extinct animals.
但事实上，想要克隆绝种动物，我们还要很长的路程要走。
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