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为何仓鼠口中塞的下如此多的食物

How Hamsters Can Stuff So Much Food In Their Cheeks

[轻音乐]
(gentle music)
它是怎么做到的?
– [Narrator] How is it doing that?
仓鼠像苏打水泵一样
Hamsters, like Soda Pump,
能把体重20%的东西塞进面颊
can stuff up to 20% of their body weight into their cheeks.
就好比一般人
For comparison, that’s like the average person
携带30多磅的食物或120个汉堡
carrying around 30 extra pounds of food, or about 120 quarter pounders.
这是一个很酷的派对游戏
It would be a cool party trick,
但是不太舒服 或者让我们面对现实吧 不可能
but not very comfortable or, let’s face it, even possible.
这就是仓鼠的不同之处
That’s where hamsters are different.
它们不会在聚会上塞很多东西
But they don’t stuff their faces for parties,
也不会因为饿而塞满脸颊
or even because they’re hungry.
它们这么做是为了生存
They do it to survive.
仓鼠怎么能在面颊里塞这么多食物?
HOW HAMSTERS CAN STUFF SO MUCH FOOD IN THEIR CHEEKS?
是的 在野外确实有野生仓鼠
In the wild, yes, there are actually wild hamsters,
它们吃各种食物
They eat all kinds of food,
树叶 嫩枝 蔬菜 和水果
leaves, shoots, veggies, and fruit.
一些它们不能立刻吃完的食物
What they don’t consume right away,
会贮藏在面颊的囊袋里
they store in those cheeks, which have pouches
囊袋能延伸到它身体的一半
that extend half way down their body
像气球一样膨胀
and expand like a balloon.
感谢上帝 我们没有长那样的东西
Thank goodness we don’t have anything like that,
因为那样看起来会很奇怪
because it would probably look a little strange.
但是仓鼠需要塞满面颊
But hamsters need to stuff their faces
无论可能看起来多么愚蠢
no matter how goofy it might look.
事实上 它们每隔两小时就需要进食
In fact, they have to eat around every two hours
那样才能正常生活 但是频繁的觅食
to function normally, butforaging for food this frequently
会使它们容易被抓到
would make them easy prey.
所以 他们在晚上收集食物
Instead, they collect food at night,
无法储藏的食物也会沿途吃掉
and what they don’t store, they snack on along the way.
以便白天能躲避捕食者
So during the day they can hide from predators
安全地享用储藏的食物
and munch on their hoard in safety.
多亏了他们面颊里的囊袋
And thanks to the pouches in their cheeks,
使它们可以储藏一大堆食物
that stockpile can get enormous.
曾经发现一个储藏有近200磅食物的仓鼠窝
Hamster burrows have been foundwith nearly 200 pounds of stored food.
面颊上还带有特殊的牵引肌肉
These cheeks also come with special retractor muscles
使仓鼠能够充分利用身体的储藏空间
that help the hamster stuff itself to maximum capacity.
如果你曾观察过它们的行动
If you ever watch this in action,
你也许也注意到在食物进入嘴里后还会调整方向
you may notice that it reorients the food after plopping it in its mouth.
它实际上在做的是将食物倾斜
What it’s actually doing is angling the food
随着更多食物的进入食物就更容易滑落到囊袋后面
so it easily slips to the back of the pouch as more comes in.
一旦食物正好在这条通道上
Once the food is well on its way,
便是伸缩肌肉开始起作用的时候
that’s when the retractor muscles come into play.
囊袋伸张时 肌肉收缩
When the pouch stretches, the muscles contract,
推动食物向后
which pushes the food toward the back,
防止堵塞
preventing it from clogging up.
相当令人佩服
Pretty impressive stuff.
但是仓鼠囊袋的其他用途
But that’s not as impressive as some of the other things
更让人印象深刻
hamsters can do with their cheeks.
为了保护幼崽的安全
For starters, some specieswill hide their babies
一些仓鼠会把幼崽隐藏在囊袋里
inside these pouches to keep them safe.
有报告显示另一些仓鼠能使自己的囊袋充气膨胀
There are reports that otherscan inflate their pouches
并且用它作漂浮工具去游泳
with air and use it as aflotation device for swimming.
但在家里不要尝试
But don’t try this at home.
只有某几个野生物种可以做到
Only certain wild species do this,
我们可不想你去淹死你可怜的仓鼠
and we don’t want you todrown your poor hamster.
我们更希望你坐下来欣赏仓鼠有多可爱
We’d rather have you sit and enjoy the incredible cuteness of Soda Pump.
一个有趣的知识
Here’s a fun fact.
仓鼠在24小时内能跑5英里多
Hamsters can run over fivemiles in a 24-hour period.
[轻音乐]
(gentle music)

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视频概述

仓鼠不同的面颊结构令人惊奇,它面颊旁的囊袋能储藏很多的食物。

听录译者

收集自网络

翻译译者

审核员

审核员 RN

视频来源

https://www.youtube.com/watch?v=BwktcpF-rjY

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