評(píng)論
打印
That in itself was not surprising.
這本身沒(méi)什么令人驚訝的
The sons were tutored by their father.
兒子都是由父親教出來(lái)的
But when the researchers compared song over the generations,
但當(dāng)研究者將數(shù)代鳥的鳴叫聲進(jìn)行對(duì)比時(shí)
they saw something extraordinary.
就有了不同尋常的發(fā)現(xiàn)
Each new generation of birds didn't just imitate their father's song.
新的每一代都不僅僅模仿其父親的叫聲
They also improved it.
它們也在優(yōu)化叫聲
By the fourth generation, the finches were singing
到了第四代 這批珍珠鳥的叫聲
a version of the song that normal birds sing,
與正常同類的叫聲相差無(wú)幾
Despite none of their colony having ever heard it.
盡管它們從未聽過(guò)正常同類的叫聲
We were very pleased to see how quickly normal songs
看到這群鳥這么快就將隔離產(chǎn)生的
start emerging out of those very unstructured songs of the isolate
無(wú)序叫聲變?yōu)檎ｘQ叫 我們很高興
and that individual bird has this ability to imitate and to improve,
鳥類個(gè)體有能力去模仿和優(yōu)化叫聲
and improve at the level that he makes the song more species like
使其聽上去更像自己族群的語(yǔ)言
and perhaps more effective.
也可能更好聽
