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狗为什么摇尾巴? – 译学馆
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狗为什么摇尾巴?

Why Do Dogs Wag Their Tails?

【片头曲】
[♪♩INTRO]
尽管汪星人很可爱 但它不能说话颜艺也没我们那么丰富
As cute as it would be, dogs can’t talk, and their faces aren’t as expressive as
所以有时候很难讲清他们在想什么
ours, so it’s sometimes hard to tell what they’re thinking.
但狗狗确实用一种我们不能的方式沟通——尾巴
But dogs do communicate in one way we can’t: with their tails.
那些毛茸茸的尾巴表达你的汪的心情
Those fluffy tails are constantly conveying your dog’s mood, but just because they’re
但它四处摇尾巴并不总是表示见到你很高兴
wagging it all over the place doesn’t always mean your dog is excited to see you.
摇尾巴不总是开心和友善的标志
A tail wag doesn’t always signal happiness and friendliness.
实际上比这复杂的多
It’s way more complicated than that.
这和狗的种类有关 但基本模式是
The exact behavior can vary depending on the breed of dog, but the general pattern is the
一样的
same.
如果你的狗夹起尾巴 这表示它们害怕 紧张
If your dog lowers their tail between their legs, it probably means they’re scared,
或屈服
anxious, or submissive.
如果高高举起 表示有东西吸引了注意力比如松鼠
If they hold it up, something has captured their interest — like a squirrel!
尾巴举的越高 表示它们越兴奋尽管相对高度
The higher the tail, the more excited the dog is feeling, although the relative height
会受种类影响
varies between breeds.
有些汪 就喜欢举的比别的汪高
Some dogs just naturally hold their tails higher than others.
如果尾巴摇的很慢 表示它对情况不太确定
If their tail wags slowly, your dog is maybe a little uncertain about the situation.
但如果精力充沛地来回摇 大概就是
But if it’s waving energetically from side to side, it’s probably exactly what you
你想的那样 热情的打招呼
think — a happy, enthusiastic hello.
尽管听起来奇怪 一组意大利学者研究表明
As strange as it sounds, a pair of studies by a group of Italian researchers showed that
狗摇尾巴的方向也很重要
which direction a dog wags its tail is important, too.
实验一中 他们为30只狗设了四种情景
In the first experiment, 30 dogs were exposed to four different stimuli: their owners, strange
主人 陌生人 陌生狗和一只猫
humans, a dominant unfamiliar dog, and a cat.
这些狗看到主人向身体右侧大幅摇尾巴
The dogs wagged their tails much more on the right side of their bodies when they saw
看到陌生人则是轻微向右
their owner, and slightly more on the right when they saw a strange human.
它们见到猫也有右摆的倾向但动作很小
They also tended to wag on the right when they saw a cat, but the movements were smaller
更不确定
and more insecure.
但当看到陌生狗它们更多向左摆
But when they saw a dominant, strange dog, they wagged more on the left side of their
尾巴
bodies.
据科学家说 这意味着他们看到
According to the scientists, this means they wagged on the right when they saw things they’d
想接近的事物会右摆而想避开的就左摆
like to approach, and on the left when they saw things they’d want to avoid.
狗脑的两半球也有不同分工
See, the two sides of dogs’ brains have different specialties.
研究人员猜测一半处理示好比如问候主人
The researchers suggested that one side handles approach responses, like when a dog greets
而另一半处理警示反应
its owner, and the other side handles withdraw responses.
而尾巴摆动方向取决于哪一遍狗脑被激活
And which way the tail waved seemed to depend on which half of the brain was being activated.
在后续实验中 四十只狗的反应表明
A follow-up study with about 40 dogs showed that other dogs could actually pick up on
其他狗能明白这个
this.
当给它们看尾巴左摆的狗的视频它们开始紧张
When they saw a video of another dog wagging its tail on the left, they got anxious, and
心跳加速
their heart rates went up.
但当看到右摆的狗的视频它们保持放松
But when they watched a video of a dog wagging its tail on the right, they stayed relaxed.
这可能是狗的一种交流方式因为大多数都有显而易见
It’s possible that this is a way dogs communicate with each other, since many of them have easily-visible
的尾巴
tails.
所以如果你想成为狗尾巴家盯紧那条尾巴
So if you want to become an expert dog whisperer, keep a close eye on that tail.
它可能在告诉你你从没想到的
It could be telling you more than you’ve ever realized!
谢谢提问 感谢Patreon上的赞助人
Thanks for asking, and thanks to our patrons on Patreon who keep these answers coming.
如果你想支持或提问你可以访问patreon.com/scishow
If you’d like to support the show and submit your questions, you can go to patreon.com/scishow.
【片尾曲】
[♪♩OUTRO]

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