Is a penguin a bird？

企鵝是鳥嗎？

大家可以一邊聽偏題朗讀，一邊讀文章內(nèi)容。

this question arises be cause we often see images of these creatures swimming under water，Or waddling in an ungainly way across the icy wastes of asHowever，Penguins are classified as birds in zoological terms . they are black and white flightless seabirds of the family spheniscidae which array

提出這個(gè)問題的原因是我們經(jīng)?？吹竭@些生物在南極的水底游泳或笨拙地在冰上行走?！簌Z不能飛，我們習(xí)慣性地認(rèn)為鳥兒都會(huì)在空中飛。

然而，從動(dòng)物術(shù)語的定義上看，企鵝屬于鳥類（大家可以參看本文末尾選自柯林斯在線詞典的定義）。它們是企鵝屬的海鳥家族成員，身體黑白相間，不會(huì)飛，生活在南半球，主要集中在南極圈（盡管有些品種生活在更為溫暖的區(qū)域）。

In common with other birds, penguins have feathers, lay eggs, and are warm-blooded. Through evolutionary processes, penguins’ wings gradually adapted to become flippers, which they use for swimming. The feathers of a penguin are relatively short and stiff in comparison to those of other birds and they overlap closely to form a thick, smooth layer which traps air beneath it and so provides insulation from the cold.

與其他鳥類相同的是，企鵝也有羽毛，也下蛋，也是溫血?jiǎng)游?。在生物進(jìn)化的過程中，企鵝的翅膀逐漸退化為鰭狀肢，主要用于游泳。與其他鳥類的羽毛相比，企鵝的羽毛相對(duì)較短，質(zhì)地堅(jiān)硬，而且這些羽毛相互交疊，形成了一層又厚又滑的保護(hù)層，隔絕了羽毛下方的空氣，從而起到了防寒的作用。

Other flightless birds include the Australian emu, the cassowary of New Guinea, and the ostrich. Unlike the penguin, they’re all more visibly ‘feathery’ as well as being land-based, so we’re probably more likely not to question the fact that they’re birds.

其它不會(huì)飛的鳥類包括澳大利亞的鴯鹋、新幾內(nèi)亞的食火雞和鴕鳥。與企鵝不同的是，這些鳥類羽毛都是很明顯的，而且都生活在陸地上，因此我們不大會(huì)質(zhì)疑它們是鳥類的事實(shí)。

澳大利亞鴯鹋

新幾內(nèi)亞食火雞

非洲鴕鳥

Definition of Penguin

企鵝的定義

From www.collin：A penguin is a type of large black and white sea bird found mainly in the Antarctic. Penguins cannot fly but use their short wings for swimming.

柯林斯在線詞典：企鵝是一種體型較大的黑白相間的海鳥，主要生活在南極圈。企鵝不會(huì)飛，但是會(huì)使用其短鰭游泳。

So, a penguin ISa bird!

所以說，企鵝是鳥類。

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