More unusual species of bird are merlin, peregrine falcon, corncrake and chough.

不大常见的鸟类品种有灰背隼、游隼、秧鸡和红嘴山鸦。

There is a misunderstanding that awareness is enormous effort-as if you were trying to become an unusual species of animal.

有一种误解，认为意识是极大的努力，如同你试著成为一种不寻常的动物物种。

Because of this, researchers are trying to identify unusual species that cause disease in order to improve treatment strategies.

正因为如此，研究者们试图识别出那些导致疾病的不常见的细菌种类，从而改进治疗策略。

The world’s largest creatures reside in the ocean, and its depths are home to unusual species whose surprising proportions are unknown on land.

图为栖息在海底的世界上最大的生物，（可以说）深海是不一般的物种的家，它的惊人的大小对于陆面上还是未知。

Rarity is not merely determined by the number of individuals in a species, it is also about how unusual that species is.

稀缺性不仅仅由某个物种所包含的个体数量决定，还和物种的数量有关。

Rotifers are unusual in that they often reproduce by parthenogenesis (some species, indeed, can reproduce only in this way).

轮虫并不普通，因为他们的繁殖方式是孤雌生殖(确实，一些物种甚至只有这一种繁殖方式)。

At present experts cannot say where the penguins were from, their age or their species. It is not unusual for some penguin species to migrate thousands of miles.

企鹅有迁徙的习性，迁徙路程可长达几千英里，因此专家尚不清楚这些企鹅的出处、年龄及种类。

Aquatic biologists from the University of Illinois at Urbana-Champaign and Eastern Kentucky University found the unusual new species hiding under rocks in a deep part of the creek.

伊利诺伊大学香槟分校和东肯塔基大学的水生物学家们发现，这种不寻常的物种潜伏在溪流深处的岩石之下。

The Baltic Sea's unusual mix of fresh water and Marine species means it's also especially vulnerable to environmental changes.

在波罗的海，淡水和海洋生物很不寻常的结合在一起，这已经表明它很容易受到环境变化的影响。

The bird avoided detection for so long for two reasons: Few villagers had ventured into what they consider sacred mountains, and the species—unusual among honeyeaters—doesn't make much noise.

这种鸟一直没有被发现主要有两个原因：很少有人敢冒险进入这个他们认为很神圣的山脉，另外一个原因就是这种鸟与其它蜜雀不同，它们天性沉默，很少发出声音。

The second was an unusual seasonal dieback in the seaweeds, and the third was the presence of a highly competitive coral species, which was able to outgrow the seaweed.

第二是海藻非正常的季节性死亡，第三是出现了一种更有竞争力的珊瑚，比海藻长得快。

In the early 1990s, researchers studying a species of worm discovered genes for a very short and very unusual piece of RNA.

在20世纪90年代初，研究人员在研究一种虫子的基因时发现了一种很短却又与众不同的核糖核酸。

Scientists are seeing some unusual things as they try to understand the effects on thousands of species of marine life。

科学家在试图了解漏油对数千种海洋生物影响的同时，发现了一些异于寻常的现象。

At a time when environmental groups are warning about over-fishing, it's unusual for a conservation group to encourage fishers to decimate a species.

在这个各大环保组织不断提醒人们警惕过度捕捞的时代，有一个保护组织却鼓励渔民将一种鱼类赶尽杀绝，这真的非比寻常。

Islands are hotbeds of biodiversity, with many island groups having unique and unusual endemic species that can't be found anywhere else in the world.

小岛是生物繁衍的温床，有很多动植物都是特有的物种，除了岛上其他任何地方都找不到。

His team described several species previously unknown to science, plus some that had been observed only in unusual environments, such as at deep-sea hydrothermal vents.

他的研究小组发现了数种科学界以前从未发现的物种，再加上一些只有在特定环境下，如深海热泉中，已经观测到的物种。

The park has many natural habitats of endangered species and a rich and unusual flora comprising, among other species, the giant heather.

这一公园是许多濒危物种的自然栖息地，园中生长着许多珍稀植物，包括巨型石南花。

Aquatic biologists from the University of Illinois at Urbana - Champaign and Eastern Kentucky University found the unusual new species hiding under rocks in a deep part of the creek.

伊利诺伊大学香槟分校和东肯塔基大学的水生物学家们发现，这种不寻常的物种潜伏在溪流深处的岩石之下。

More broadly, though, humanity's unusual shrinking brain just may be the price our species pays for living so much longer than other primates, experts said.

然而，专家指出，从更广泛的角度来说，人类特有的脑萎缩现象也许只是我们这个物种的寿命远超其他灵长目动物所需付出的代价。

The study underscores H5N1's ability to infect multiple mammal species, which is unusual for strains that circulate in birds.

这项研究强调了H5N1感染多种哺乳类动物的能力。

The crocodile newt is one of the most unusual of the many amphibian species found here.

类鳄蝾螈是此处发现的最为不凡的两栖动物之一。