标签：高山野生动物 相关文章

美国有线新闻 CNN 世界自然基金会称世界上三分之二的野生动物可能在2020年消失

The World Wildlife Fund, an international conservation group, says more than two-thirds of the world's wildlife could be gone by the year 2020. The organization says there's already been a 58 percent decrease in the number of fish, mammals, birds and

发表于:2018-12-19 / 阅读(54) / 评论(0) 分类 CNN美国有线新闻2016年11月

科学美国人60秒 SSS 公路交叉口保护着迁徙的叉角羚和开车的人

Highway Crossings Protect Migrating Pronghorns--and Motorists Ever hear of the pronghorn antelope in the American west? Well, its not really an antelopeits actually more closely related to giraffes than to true antelopes. And the last known migration

发表于:2019-02-03 / 阅读(61) / 评论(0) 分类 2018年科学美国人10月
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