WEBVTT

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Now Sweden is the latest country to report mysterious deaths of a large number of birds.
現在瑞典是最新傳出鳥群大量神秘死亡的國家。

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Now dozens of jackdaws like the one seen here were found dead on Tuesday and Wednesday.
週二與週三共發現數十隻像螢幕上所見的這種寒鴉死亡。

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Now Swedish veterinarians autopsied five of the birds and say that there were no signs of infection or disease.
瑞典的獸醫們解剖了其中五具鳥屍，表示沒有感染或疾病的跡象。

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They say the birds instead appear to have died from, quote, "sudden hard external blows."
他們說這些鳥似乎是死於「突然的外力衝擊」。

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Now Sweden's eerie report echoes other recent and unexplained mass bird death incidents.
瑞典這則令人毛骨悚然的報導呼應了近期其他無法解釋的鳥群大量死亡事件。

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Over the last week, flocks of dead birds have been found in two U.S. towns in Arkansas and in Louisiana.
過去一個星期以來，美國阿肯色州與路易斯安那州的兩座小鎮也發現了大批死鳥。

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Now Martin Savidge talked with some of the experts investigating those mysteries.
馬汀‧塞維吉訪問了幾位正在調查這些神秘事件的專家。

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These three red-winged blackbirds from Arkansas could hold the key to a disturbing puzzle.
阿肯色州的這三隻美洲紅翼鶇可能是解開一個令人不安的謎團的關鍵。

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Working with the birds inside what's called a bio-safety cabinet, Dr. Kevin Keel begins to try to determine what killed them.
凱文‧基爾醫師在一座所謂的生物安全操作櫃裡檢驗這些鳥隻，企圖找出牠們的死因。

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And not just these birds, but thousands of others New Year's Eve.
而且不只這三隻鳥，還包括其他在跨年夜死亡的數千隻鳥。

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The cabinet is a precaution just in case the birds were the victims of some disease.
這座安全櫃是一項預防措施，以防這些鳥是某種疾病的受害者。

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Scientists don't think so, but let's let the doctor explain as he begins the exam.
科學家認為並非如此，我們請這位醫師一面開始檢驗一面說明。

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And I'm looking and palpating for any broken bones, and feeling the bones in the wing,
我正在進行檢視及觸診，了解是否有骨頭斷裂，並且觸摸翅膀裡的骨骼，

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trying to tell if there are any fractures. I'm looking for hemorrhages.
看看是不是有骨折。我也在檢查出血的狀況。

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Sometimes if birds fly into things, you may see hemorrhages in the mouth.
有時候，鳥飛行時如果撞到東西，嘴裡可能會看到出血的現象，

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You may see fractures of the beak.
鳥喙可能會斷裂。

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All the evidence we have so far suggests that this was a traumatic event.
我們目前所有的證據都顯示這是外傷致死的事件。

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Traumatic event, as in the birds ran into something -- something hard.
外傷事件，就是說鳥撞上了什麼東西，而且是堅硬的東西。

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The lab has already dissected and x-rayed the Louisiana birds,
實驗室已經對路易斯安那州的鳥屍進行了解剖與X光檢驗，

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and the internal damage suggests the birds likely died as a result of a collision.
體內損傷的狀況顯示這些鳥兒可能是因撞擊而死。

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This tells us that these birds probably flew into inanimate objects which caused the trauma.
由此可見這些鳥飛行時可能撞上了無生命的物體，從而造成損傷。

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We looked for evidence of gunshot injuries with the radiographs and didn't see any.
我們利用 X 光照片尋找槍傷的證據，但是找不到。

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And so they may have flown into anything from buildings or power lines or towers,
牠們可能撞上任何東西，包括建築物、電纜線或電塔，

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or it [they] could have flown into the ground, as well.
也有可能是衝撞地面。

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Power lines are thought to be to blame in Louisiana.
目前認為路易斯安那州事件的罪魁禍首是電纜線。

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In Arkansas, it was noted the bird deaths occurred near where they roost for the night.
至於阿肯色州的群鳥死亡事件，值得注意的是事情發生在牠們的夜間棲息處附近。

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Simply put, something startled them, possibly fireworks since it was New Year's Eve,
簡言之，某種東西嚇到了牠們。當時是跨年夜，

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and the birds took off panicked into the darkness.
所以可能是煙火嚇得牠們在黑暗中驚慌亂飛。

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The weather in that area last night, the night of the mortality event, was overcast.
昨晚，死亡事件發生的那晚，該地區是多雲的天氣。

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There was a little bit of rain so there was a low ceiling.
下了一點雨，所以雲層很低。

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It wasn't foggy, but it still may have resulted in some disorientation of the birds and contributed to them flying into objects.
當時沒有霧，但那樣的天氣仍然可能導致鳥兒失去方向感，害牠們撞上東西。

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Even though authorities believe it is blunt-force trauma that's to blame,
雖然有關當局認為是鈍力外傷的關係，

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they will take tissue samples and send them out for further testing
他們還是會採集組織樣本，送去接受進一步的檢驗，

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just to make sure we're not talking about some sort of disease, a chemical or possibly even poisoning.
以確認這些鳥兒不是死於某種疾病、化學物質或可能甚至是中毒。