标签：extinction 相关文章
LULU GARCIA-NAVARRO, HOST: Fast-food restaurants use all sorts of promotions to get customers through their doors. Two-for-one deals, toy giveaways, and now, venison. Yes, Arby's is the first major fast-food chain to serve a deer-meat sandwich nation
2017年NPR美国国家公共电台10月
无人机帮助科学家们研究澳大利亚濒危的考拉 Koalas spend most of their lives in eucalyptus trees,whose leaves are their favorite food. Since the leaves are low on calories and nutritional content, koalas are not very active-they slee
VOA标准英语2015年(七月)
Hawaii's Birds Threatened by Invasive Predators, Habitat Loss Many people think of the Hawaiian islands as a Pacific paradise, a string of tropical islands lush with exotic flora and fauna. But the islands' native species - especially birds - have be
VOA标准英语2012年(七月)
Scientists Test Different Ways for Saving Rhinos 科学家们尝试不同的方式拯救犀牛 The African rhino is a seriously endangered species and one subspecies, the northern white rhinoceros, is on the brink of extinction. After the recent deat
VOA标准英语2015年(八月)
Hunting Rules Have Changed Mama Bear Care In North America, many critters commonly encountered todaylike wild turkeys or white-tailed deerwere brought back from near oblivion through conservation efforts led by hunters. Meanwhile, in Africa, some of
2018年科学美国人5月
Based on the sheer number of ants that invaded my home this summer, it seems hard to believe, but a new study finds that the numbers of invertebrates, which include any animal without a spine, has fallen by nearly half over the past thirty-five years
2014年Scientific American(八)月
Rabbit Relatives Reel from Climate Change 气候变化又将害死谁 Up in Californias High Sierra, above the dense pine forests, rocky habitats reign. And if you look carefully among the boulders, you might see a pikaa rabbit relative the size of a
2017年Scientific American(九)月
During the last ice age, rapid swings in temperature occurred within decades or less, meaning populations of organisms had to adjust quickly to new environments or face extinction. 在最后一个冰河世纪中，温度在数十年甚至更短的时间
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Rainforests are being cut and burned form Brazil to Indonesia at such a rate that they could well disappear from the earth's surface before the year 2050. They are being cleared for valuable timber and other resources to speed up the economic growth
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Indonesia, Malaysia, the Philippines, Timor Leste and Papua New Guinea have set new plans to protect the Coral Triangle - a 5.5 million square kilometer area that holds the largest biodiversity in the oceans. Scientists consider it to be the marine
VOA标准英语2009年(五月)
Australian Environment Minister Peter Garrett warns that efforts to save some endangered plants and animals may be abandoned due to a lack of money. Garrett says the government plans to concentrate on protecting fragile ecosystems rather than indivi
VOA标准英语2009年(八月)
In The Battle To Save Frogs, Scientists Fight Fungus With Fungus play pause stop mute unmute max volume 00:0003:47repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash
2016年NPR美国国家公共电台9月
U.S. President George Bush says the Democratic-led Congress has failed to address a series of important issues, and he wants action soon. Democrats are pushing their Republican colleagues in Congress to support environmental legislation. 美国总统布
VOA双语新闻 2008年6月
By Mike O'Sullivan Los Angeles 03 July 2006 A large asteroid, known as 2004 XP14, raced past the Earth early Monday. Scientists say it posed no threat to the planet, but serves as a reminder of the hazards encountered in space. -------- The rocky sp
2006年VOA标准英语（七月）
...and may trace their ancestry all the way back to the first dogs to enter North America. The Carolina dogs are pack animals with a strick hierarchy topped by an alpha male. Like most wild dogs, they hunt in groups. But many of the kills they make a
探索与发现2013年
By Al Pessin Pentagon 07 December 2006 President Bush and members of the Senate served notice on the Iraq Study Group Thursday that its 79-recommendation report on U.S. Iraq policy is not likely to be adopted in its entirety. But the group's co-chai
2006年VOA标准英语（十二月）
By Peter Heinlein Addis Ababa 11 April 2008 Ethiopia's ruling party appears headed for a massive victory in local and parliamentary by-elections being held across the country over the next two Sundays. VOA's Peter Heinlein in Addis Ababa reports the
VOA常速英语2008年（四月）
By Douglas Bakshian General Santos City 06 September 2007 Worldwide tuna catches are falling as demand strains the supply. Tuna stocks in the Atlantic and Mediterranean have dropped, in recent years, prompting a cut in catch quotas. Supplies also app
2007年VOA标准英语（九月）
The U.N. Secretary-General says he is optimistic a climate-change agreement can be reached in Copenhagen that will include specific recommendations on key elements that will take effect immediately. Ban Ki-moon told reporters this conference must be
VOA双语新闻 2009年12月
Rabbits Down Under In 1859, an unassuming Australian landowner named Thomas Austin got the hunting bug. Eager for something to shoot, he released twenty-four wild rabbits onto his property and had a jolly time tracking them down. Unfortunately, some
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