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- PBS.新星蝴蝶的神奇之旅PBS.新星.珍珠港水下杀手简介
The documentary depicts monarch butterflies’ great and mysterious migration Each year’s autumn, millions of monarch butterflies start their incredible southward migration from Canada, cross America, to Mexico They fly above 二,000 miles to arrive the mountain of Mexico The film opens with caterpillars munching milkweed in southern Canada in late summer Soon each caterpillar transforms itself into a silky chrysalis Roughly 一0 days later, a delicate four-winged monarch emerges Then, at some unknown signal, the monarchs take to the air on a two-month, 二,000-mile flight over fields, forests, cities, plains, open water, deserts, and finally mountains to congregate in a tiny, high-altitude region of central Mexico where they ve never been before Incredibly, they arrive by the millions at the same time each year Shedding light on this natural wonder are some of the world s leading monarch researchers, including Lincoln Brower of Sweet Briar College, independent biologist Bill Calvert, and Orley quot Chip quot Taylor of the University of Kansas Putting the monarch phenomenon into perspective, Taylor says, quot You ve got a butterfly that s originating in Toronto, or it s originating in Detroit, Michigan, or it s coming down from St Paul or maybe even Winnipeg, and it s moving south Somehow it finds its way to Mexico Could you do that quot No one yet knows how the butterflies do it, but Taylor s research reveals that they are expert navigators In one experiment, he transported Mexico-bound monarchs from Kansas to Washington, DC, and then set them loose At first, they flew south as if they were still in Kansas—a course that from Washington would miss Mexico entirely But after a few days, they corrected their flight path, as if some inborn GPS unit had alerted them to the true direction of their destination In another sequence, NOVA accompanies celebrated monarch watcher Bill Calvert around backcountry Texas as he looks for signs of the monarch migration Sure enough, they show up en masse and on time, heading toward the Sierra Madre mountains across the border—the last leg of their flight And in the Mexican state of Michoacán, NOVA joins mountain villagers as they celebrate the arrival of the monarchs in the first week of November The butterflies arrival marks the start of a celebration called the Day of the Dead, since the local people have traditionally associated the monarchs with the returning souls of their departed ancestors Unfortunately, illegal logging in the Mexican butterfly sanctuaries threatens the unique habitat that monarchs depend on for their survival Monarchs may not yet be an endangered species, but their annual migration is an endangered phenomenon that could dwindle to insignificance if the giant firs that they cling to during the winter disappear Gone also would be the colorful festival that closes the program—a fireworks display welcoming the hardy fliers to Mexico, with orange bursts against the black sky, looking almost like the beautiful cloaks of the monarchs 。本视频《PBS.新星蝴蝶的神奇之旅PBS.新星.珍珠港水下杀手》由12306影视-播播影院m12306.com收集自网络发布。如果您喜欢12306影视-播播影院提供的
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2016NBA官方夺冠纪录片
2016/欧美
勒布朗·詹姆斯,凯里·欧文,凯文·乐福
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单恋
2017/日本
中谷美纪,桐谷健太,国仲凉子,大谷亮平,铃木浩介,和田正人,中村安奈,高月彩良,真岛秀和,赤堀雅秋,酒井美纪,丘光子,田中要次,秋吉久美子,田中泯,桥爪功
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2022/中国台湾
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从宫本到你2018
2018/日本
池松壮亮,柄本时生,星田英利,苍井优,松山研一,高桥和也,浅香航大,酒井敏也
全12集
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安堂机器人
2013/日本
木村拓哉,柴崎幸,大岛优子,桐谷健太,本田翼,山口纱弥加,山本美月,日野阳仁,池田大,桐谷美玲,平冈祐太,名取裕子,远藤宪一
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乐极忘形:运毒少女的自白
2011/英国
Tatiana,Penfold,Sade,Giliberti
已完结
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合唱者
2020/大陆
内详
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神之水滴2023
2023/日本
山下智久,弗蕾尔·格夫里尔
已完结
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今晚在U型酒场2
2022/日本
中村友理,浅香航大,小园凌央,藤井武美,北香那,竹财辉之助,堀部圭亮,下条阿童木
全12集
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空中浩劫第十四季
2014/加拿大
不详
已完结
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举重妖精金福珠
2016/韩国
李圣经 / 南柱赫 / 庆收真 / 李载允 / 刘多仁 / 安吉江 / 金宰铉
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信号
2014/美国
帕特里克·戴维森,布伦顿·思韦茨,奥利维亚·库克,博·纳普,杰弗里·格罗弗,劳伦斯·菲什伯恩,林·沙烨
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