荒野协会游说国会批准《濒危物种法》。
The Wilderness Society lobbied Congress to authorize the Endangered Species Act.
大熊猫是一种濒危物种。
成立这个协会是为了保护濒危物种不致灭绝。
The society was set up to preserve endangered species from extinction.
避免购买来源于濒危物种的产品。
“完成返回加拿大的整段旅程，帝王蝶可能会经历四到五代。”薛西斯戈灰蝶协会濒危物种项目的负责人萨琳娜·杰普森说道。
"It might take the monarchs as many as four to five generations to complete the journey all the way back up to Canada," says Sarina Jepsen, who directs the endangered species program for the Xerces Society.
我们必须迅速采取行动保护濒危物种。
它是濒危物种的独特避难所。
感觉我们就像是某种形式的濒危物种。
鸻鹬现在是濒危物种。
海狸鼠是濒危物种。
有些人认为克隆技术是保护濒危物种的有效方法。
Some people believed that clone technology is an efficient way of protecting endangered species.
他的工作让其他人也开始保护这种濒危物种的栖息地
His work has led others to protect the habitat of this endangered species.
另一个需要考虑的重要因素是拯救这些濒危物种的成本。
Another important factor to consider is the cost of saving these endangered species.
如果秃鹰从濒危物种名单上除名，它仍然是一个受到威胁的物种。
If it were dropped from the Endangered Species List, the bald eagle would still be a threatened species.
鱼类和野生动物服务机构正在考虑将其从濒危物种名单中删除的可能性。
Fish and Wild Life Service is considering the possibility of taking it off the Endangered Species List.
我将充分调动公众舆论，把我心目中的严重濒危物种置于国家保护议程的首位。
I am going to mobilise public opinion sufficiently to bring to the very top of the nation's conservation agenda the severely endangered species I have in mind.
近年来，许多人一直在质疑各种组织在拯救濒危物种上花费的时间和金钱是否值得。
In recent years, many people have been questioning whether it is worth the time and money organizations spend on trying to save endangered species.
细胞可以转换成用于协助繁殖项目的生殖细胞，以帮助增加濒危物种基因库里的品种。
The cells could be converted into germ cells for use in assisted breeding programmes to help diversify the gene pools of endangered species, she says.
长江流经多种不同的生态系统，是诸多濒危物种的栖息地，灌溉了中国五分之一的土地。
As a habitat for many endangered species, the Yangtze River flows through diverse ecosystems and irrigates one-fifth of China's land.
其中最著名的是1973年的《濒危物种法案》，该法案旨在保护濒临灭绝的动物物种。
The biggest was the Endangered Species Act of 1973, which protects imperiled animal species from extinction.
自1997年以来，美洲虎一直被列为濒危物种，这是野生物种面临生存危险的最高级别。
The jaguar has been listed as endangered since 1997, the highest level of peril for a wild species.
由于鲑鱼和胡瓜鱼这些濒危物种受到威胁，国家当局已经要求消减从该三角洲往外输水的量。
State authorities have ordered cutbacks in deliveries of water from the delta because of the threat to endangered species such as salmon and smelt.
美国鱼类和野生动物服务局将在一月份做出是否将海象列入《濒危物种法案》清单中的决定。
The U.S. Fish and Wildlife Service expects to make a decision on whether to list the walrus in the Endangered Species Act in January.
作为海洋中最大的生物，蓝鲸很难追踪，但由于商业捕鲸，它们几乎灭绝，现在已被列为濒危物种。
It is hard to track the blue whale, the ocean's largest creature, which has almost been killed off by commercial whaling and is now listed as an endangered species.
我们为保护濒危物种而建立的任何保护区都可能变得毫无用处，因为这些生物被迫随着它们的自然栖息地迁移。
Any preserves we set up to protect endangered species may become useless as the species are forced to migrate along with their natural homes.
当1973年《濒危物种法案》签署时，人们期望它能保护一批引人注目的动物，如秃头鹰和黄石公园的北美灰熊。
When the Endangered Species Act was signed in 1973, it was expected to protect charismatic fauna such as the bald eagle and Yellowstone's grizzly bears.
虽然研究濒危物种可能为科学家提供一些领悟，但仅仅为了研究的目的而饲养这些动物的话，其饲养成本是不合理的。
While studying endangered species may provide some insights to scientists, the cost of keeping these animals in existence can not be justified for research purposes alone.
这些包括近100个狐猴物种，其中六种被认为属于严重濒危物种。
These include nearly 100 species of lemur, six of which are deemed critically endangered.
这次锐减是美国鱼类和野生动物管理局决定正式将这种鸟列为濒危物种的主要原因。
The crash was a major reason the U.S. Fish and Wildlife Service decided to formally list the bird as threatened.
他们敦促该机构将这种鸟列为“濒危物种”，这个地位可以赋予联邦官员更大的监管权力来消除对该物种的威胁。
They had pushed the agency to designate the bird as "endangered", a status that gives federal officials greater regulatory power to crack down on threats.
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