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小跳蛛

For These Tiny Spiders, It's Sing or Get Served | Deep Look

Behold a very small and rather cute spider.
欢迎收看迷你可爱的跳蛛
This is clypeatus.
这是clypeatus
A jumping spider.
一种跳蛛
He doesn’t spin webs.
它不会织网
Instead he uses silk as a lifeline, reeling it out as he hops from place to place.
但它身上的丝成了救生索 通过这些丝它能到处跳跃
But right now, he’s looking for a mate.
但此刻 它正在寻找伴侣
The thread of the female spider
雄性蜘蛛能根据雌性的丝
that he can trace back to its source.
来追踪到她的所在地
Problem is, she may have other priorities.
问题在于 雌性蜘蛛有其它更优的选择
While he’ll jump on pretty much anything that moves…
而雄性蜘蛛几乎是饥不择食
She only mates once.
雌蜘蛛只交配一次
She’s picky.
因此雌性蜘蛛很挑剔
So he’s going to make his case… on the dance floor.
所以雄性蜘蛛打算在跳求偶舞的现场完事
Male jumping spiders perform courtship displays
雄性跳蛛会跳优雅的求偶舞
that would make Bob Fosse proud.
连Bob Fosse都会为其骄傲
Jazz hands
爵士手势
leg lifts
抬腿
They even shimmy their pedipalps
甚至会摇动须肢
But he needs a soundtrack.
但是它需要一种配乐
So, by beating together the front and back halves of his body
因此 通过同时碰撞身体的前后部分
he creates vibrations that travel through the ground.
来产生可以通过地面传播的振动
This is what her ears look like.
这是她耳朵的样子
Tiny membranes stretched across slits in her legs.
她腿上的缝隙中全是薄膜
To study these jumping spider pulses
为了研究这些跳蛛的振动节拍
researchers at the University of California Berkeley
加州大学伯克利分校的研究人员
use a sophisticated laser vibrometer
使用一种精密的激光测振仪
developed for quality-testing cars and airplanes.
这种仪器的研发 是为了检测汽车和飞机的质量
It turns those vibrations into something we can hear.
激光测振仪能把这些振动转变成我们能听到的声音
And guess what? It’s a song.
能猜到是什么声音吗? 是一首歌
The first verse sounds like this.
歌曲的第一段听起来像
A fast heartbeat.
一阵急促的心跳声
Thump thump thump thump thump thump thump.
怦 怦 怦 怦 怦 怦 怦
Then, more thumping.
然后 更多的怦怦声
Followed by something new.
紧接着是新的音调
A “BOOM.”
隆隆声
This is verse two.
这就是歌曲的第二段
That pattern, over and over again.
一遍一遍的重复这个节奏
For verse three he adds a third element.
第三段中 它加入了第三种元素
Almost like he’s casting a spell, right?
就像是在施魔法一样 对吗?
From species to species, and there are thousands of different jumping spiders, the songs vary.
有数千种不同种类的跳蛛 他们的歌曲都不尽相同
But one thing never changes
但是有一样是不变的
Male jumping spiders sing like their lives depend on it
雄性跳蛛是在用生命唱歌
Because they do.
因为确实如此
She may mate with him.
雌性跳蛛有可能会与其交配
She might refuse.
可能拒绝
But she might just eat him instead.
而且还可能直接吃掉它
When the Berkeley scientists prevented the males
如果伯克利的研究员阻止雄蜘蛛
from singing while they danced
在跳舞的时候唱歌
the females were three times as likely to hunt them as prey.
雌蜘蛛有三成的几率会把他们当作猎物猎杀
So he needs to go big.
因此雄蜘蛛需要提高声量
The closer he gets to her, the more danger he’s in.
他离雌蜘蛛越近 他就越危险
The dance and the song get more and more urgent.
他的舞蹈和歌声就会变得越来越急促
But even with all that…
但即使用这种方式
She’s still calling the shots.
她仍然操控着一切
Hi, it’s Amy.
你好 我是Amy
If the female spiders are picky, with the males
如果说雌性跳蛛对配偶很挑剔
the bar is so, so low.
那雄性跳蛛可以说是几乎没有要求
He’ll do this courting song and dance
雄蜘蛛可以对着任何东西高调地
with pretty much anything.
唱求偶舞和跳求偶舞
In the lab, scientists use frozen specimens like this one.
在实验室里 研究员使用了
A dead female spider!
一只死去的雌蜘蛛标本
And he still tries to mate with her.
雄蜘蛛仍努力尝试和她交配
While you’re here, subscribe to Deep Look, and thanks for watching.
看到这 请订阅《微观深望》感谢您的观看

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视频概述

一种跳蛛吸引异性的方式,唱歌并得到款待。

听录译者

收集自网络

翻译译者

Nacy廖

审核员

审核员MS

视频来源

https://www.youtube.com/watch?v=y7qMqAgCqME

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