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在哥倫比亞北部的熱帶叢林中

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她和家人住在高高的樹上

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你會發現夏奇拉

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一隻喋喋不休的棉頂狨猴

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說“ 你好 “

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也許你沒發現到

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這隻一磅左右重的小猴子

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用一種極複雜的語言交流

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擁有了多達38種不同的叫聲

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包含各種啾啾聲

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和哨叫

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剛才牠發出的的回應

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被稱為B行啁啾聲

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一種常用來跟人類打招呼的呼叫

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為了了解夏奇拉語言的複雜性

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讓我們先來了解幾種啁啾聲和哨叫聲

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再看牠們的组合

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是怎麼形成語法结構順序的

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夏奇拉用來和我們打招呼的啁啾聲

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是由一组音節组成

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這组音節由短音音調，比如啁啾聲

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和長音音调，比如尖叫聲，一起组成

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研究人員發現

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有8種不同的啁啾聲

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是根據聲調、音長、尖峰頻率值
和頻率變化劃分出來的

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另外，每一種啁啾聲有它自己獨特的含意

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比如说，當夏奇拉發出“C型啁啾聲”時

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是在她獲得食物的時候

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而“D型啁啾聲”

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則是在牠手中有食物時才會使用

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單信號哨叫
也在每次呼叫中表達獨特的意思

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就如同這8種不同的啁啾聲

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哨叫也有5種之分

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根據頻率分類

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哨叫又被细分成4個子種類：

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吱吱聲和初級調製哨叫

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進階調製哨叫以及平哨

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這種語言表達含義時的清晰性

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完全可以用初級調製哨叫的種類來說明

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這些哨叫會根據夏奇拉

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與牠家人之間的距離遠近而改變

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如果夏奇拉與牠家人之間的距離
遠於6米

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牠就會發出高度初級調製哨叫

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如果牠與家人的距離小於6米

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牠就會發出輕度初級調製哨叫

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現在我們既然已經了解了幾種
啁啾聲和哨叫聲

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夏奇拉非常想跟你炫耀一下
牠的語言功力

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牠要帶你體驗一下
牠從早到晚所發出的聲音

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當牠跳到一棵樹上開始吃早餐時

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牠說，（猴子的叫聲）

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這是一種多用於輕鬆探查的叫聲

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然而，牠突然發現一隻大鷹的影子

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牠發出警報聲“E型啁啾聲”

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這聲音警示牠家人：捕食者靠近了

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夏奇拉自己也趕緊跳入
密枝深處的安全地帶

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現在應該沒事了

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所以夏奇拉向牠的爸爸靠近

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等等，等等，那個小傢伙是誰

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啊哈，是牠的弟弟卡洛斯

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棉頂狨猴玩摔跤的時候通常會發出尖叫

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啊哦，卡洛斯有點粗暴了
夏奇拉開始尖叫

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想讓牠父母來幫她

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牠爸爸朝著扭打成一團毛球走去

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牠弟弟識相地停了下來

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夏奇拉抖了抖身子

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伸手整理她頭上的毛

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恢復牠的髮型

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之後，夏奇拉發現了另一群
不太熟悉的棉頂狨猴

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聽了聽牠們的長叫

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牠轉向她的家人（猴子叫聲）

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你聽出來了嗎？首先是啁啾聲
然後是哨叫聲

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這被稱為組合發聲

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一個由一聲啁啾和一聲哨叫組成的“短語”

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這兩聲串起來表達一個信息

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牠把這兩個聲音元素合在一起

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通知牠的家人另一個群體存在
牠用“F型啁啾聲”

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並同時說明這個群體與牠們的距離

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牠用慣用的長口哨

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換句話說，夏奇拉剛剛說了一句話

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牠這句簡單的話只是牠們語言中的冰山一角

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牠還有顫音，饒舌，多樣的哨叫

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更有多種組合發音，甚至是吱吱喳喳

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然而，讓人難過的是，我們可能永遠也聽不盡

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牠說得每一件事

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伴隨樹木高處的啁啾聲

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還有持續不斷砍伐樹木的轟隆聲

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夏奇拉在哥倫比亞的家正在被砍伐

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一棵又一棵的樹倒下

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如果我們不採取行動

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保護瀕臨絕種的棉頂狨猴

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牠們會在我們有生之年絕跡的

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如果棉頂狨猴之間的啁啾聲

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被證明不僅僅是閒聊那麼簡單

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想像一下還有多少是我們有待發現的

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想像一下夏奇拉還能告訴我們什麼