因此,现在我们是一种濒临灭绝的种类。
大头鲸,它的数量大约在11000头,是一种快要濒临灭绝的种类,虽然数量正在增长。
Bowheads, which number about 11, 000, are an endangered species, though the population is increasing.
乞力马扎罗山四周都是山林,那里生活着众多的哺乳动物,其中一些还是濒于灭绝的种类。
Kilimanjaro is surrounded by mountains, live there many mammals, some of them to the brink of extinction or species.
乞力马扎罗山四周都是山林,那里生活着众多的哺乳动物,其中一些还属于濒于灭绝的种类。
The mountain is encircled by mountain forest. Numerous mammals, many of them endangered species, live in the park.
而令人痛心的事实是许多这类野生动物被当作食物而被杀,例如:鸽子。蛇。青蛙。鸵鸟,甚至还有一些濒临灭绝的种类。
But the disturbing fact is many such wild animals are killed cruelly for food; animals such as pigeons, snakes, frogs, ostriches and even some endangered species.
盖格尔和她的同事们研究了3200年前的骨头化石,这些骨头属于一种已经灭绝的叫做欧洲野牛的种类。
Geigl and her colleagues looked at 3200-year-old fossil bones belonging to a single individual of an extinct cattle species called an aurochs.
有些种类甚至面临灭绝的危险。
许多动物种类都处于濒临灭绝的危险中。
但是,通过对全球变暖和滥伐森林的共同作用的调查,首次研究便发现许多种类都濒临灭绝危险。
But the first study to look into the combined effect of both global warming and deforestation found most species are in danger of extinction.
少数种类面临灭绝的危险,但大部分的种类数量没有上百万也有几十万。
A few species are at risk of extinction, but most number in the hundreds of thousands, if not millions.
此次大灭绝之前,兽孔目爬行动物(一种类哺乳动物)的数目远远多于恐龙的祖先祖龙。
Until this disaster, mammal-like creatures known as therapsids were actually more numerous than the ancestors of the dinosaurs, known as archosaurs.
由此,地球上许多种类的植物和动物,正在走向灭绝。
And various animals are being hunted and killed. As a result, many kinds of plants and animals are disappearing from the earth.
由于这些变化,涉水鸟的两个濒危种类面临着灭绝。
Two endangered species of wading bird face extinction because of the changes.
罗迪亚人是猎食者,他们在进化路程中灭绝了自己星球大量的野生动物种类和食肉种类。
Rodians evolved as hunters, killing much of the wildlife and predacious species on their planet to extinction.
英国环保组织保护蝴蝶协会14日公布的一项报告显示,英国的银斑弄蝶的数量逐渐得到了恢复,而25年前,这种蝴蝶曾一度濒临灭绝。 这给致力于拯救其他种类蝴蝶的环境保护主义者们展示了一线希望。
The recovery of a butterfly that was threatened with extinction in Britain 25 years ago is providing a glimmer of hope to conservationists trying to save other species.
去预言一个灭绝我们需要去了解它在过程中起的作用的和这些分成我们在下面讨论的四个主要的种类。
To make a prediction about extinction we need to understand the processes that can contribute to it and these fall into four broad categories which are discussed below.
他们说潜游让逐渐人们想要去保护鲨鱼,当一些种类的鲨濒临灭绝的时候。
They say it makes people want to protect sharks at a time when some kinds of shark are dying out.
更重要的是,许多树的种类也即将濒临灭绝。
科学家说每天有七十四种不同种类的生物灭绝!
Scientists say that seventy-four different kinds of living things go extinct every day!
有些袋鼠,比如一些树袋鼠,也是我最喜欢的那种,现在正濒临灭绝;但另外一些种类,比如红袋鼠和灰袋鼠,现在因繁殖过多而被当成祸害。
Some, such as several tree kangaroos, my particular favourite, are threatened with survival, but others, like the grey and red kangaroos, have flourished and are now considered to be pests.
由此,地球上许多种类的植物和动物,正在走向灭绝。
As a result, many kinds of plants and animals are disappearing from the earth.
一些种类的动物要灭绝了。
科学家们说他们已经对长毛象的半数基因组重新进行组合,发现一个种类在冰河世纪末期也就是一万一千年以前开始灭绝。
Scientists say they have reconstructed around half of the genome of the woolly mammoth, a species that became extinct at the end of the last Ice Age some 11,000 years ago.
所以我们在世界上的独特地位来自于鸟类的大量繁殖,虽然许多种类已经灭绝了,但幸运的是,出于尊重我们成功地保留下几个种类。
So what makes us unique in the world is this very wide proliferation of birds, species which we've lost but fortunately because of the honors we've managed to hang on to a few.
尽管目前人类对远古生物形成记载还不尽完善,但是,在已知的哺乳动物种类中,还没有哪种现存的或已经灭绝的动物与这只长颈巨兽相似。
However, there is no known mammal, living or extinct, which resembles this long-necked creature, although our knowledge of the fossil record is necessarily incomplete.
尽管目前人类对远古生物形成记载还不尽完善,但是,在已知的哺乳动物种类中,还没有哪种现存的或已经灭绝的动物与这只长颈巨兽相似。
However, there is no known mammal, living or extinct, which resembles this long-necked creature, although our knowledge of the fossil record is necessarily incomplete.
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