大量的蝴蝶顯示在丹佛雷達系統。聽吧

Butterfly swarm shows up on Denver radar system

大量的蝴蝶顯示在丹佛雷達系統

A colourful, shimmering spectacle detected by weather radar over the US state of Colorado has been identified as swarms of migrating butterflies.

美國科羅拉多州的氣象雷達發現了一種五彩繽紛、閃閃發亮的景象,這個景象是成群的遷徙蝴蝶。

Scientists at the National Weather Service (NWS) first mistook the orange radar blob for birds and had asked the public to help identifying the species.

國家氣象局的科學家們首先把橙色的雷達斑點誤認作鳥,並要求公眾幫助識別這群鳥的具體種類。

They later established that the 70-mile wide (110km) mass was a kaleidoscope of Painted Lady butterflies.

他們後來證實,70英里寬(110km)的大群體是由畫夫人蝴蝶形成的一個萬花筒。

Forecasters say it is uncommon for flying insects to be detected by radar.

氣象預報員說,飛行中的昆蟲被雷達探測到是不常見的。

"We hadn t seen a signature like that in a while," said NWS meteorologist Paul Schlatter, who first spotted the radar blip.

"我們有一陣子沒見過這樣的信號了,"國家氣象局的氣象學家Paul Schlatter說。他是第一個發現這個雷達信號的人。

"We detect migrating birds all the time, but they were flying north to south," he told CBS News, explaining that this direction of travel would be unusual for migratory birds for the time of year.

他告訴哥倫比亞廣播公司新聞：「我們總是探測到遷徙的鳥類,但它們現在正從北向南飛,"。他解釋說,每年這個時候，如果是候鳥的話，這種旅行的方向是非比尋常的。

So he put the question to Twitter, asking for help determining the bird species.

於是他在Twitter提出了這個問題,請求（網民）幫助確定鳥類的種類。

Almost every response he received was the same: 「Butterflies".

他收到的答覆幾乎都是一樣的:"蝴蝶"。

"Migrating butterflies in high quantities explains it", he later wrote on the NWS Boulder Twitter account.」

大量遷徙的蝴蝶解釋了這一點",他後來寫在了國家氣象局Boulder分局的Twitter帳戶上。

Namely the three-inch long Painted Lady butterfly, which has descended in clouds on the Denver area in recent weeks.

具體的來說，這種蝴蝶是三英寸長的蝴蝶，叫畫夫人。最近幾周,這些蝴蝶像一片一片雲似的在丹佛地區降落。

The species, commonly mistaken for monarch butterflies, are found across the continental United States, and travel to northern Mexico and the US southwest during colder months.

這個種類通常被誤認為是帝王蝶,在美國大陸各處都可以看到。它們在寒冷的月份,飛往墨西哥北部和美國西南部。

They are known to follow wind patterns, and can glide hundreds of miles each day.

我們知道它們是隨著風的方向和規律而飛,每天可以滑翔數百英里。

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