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树袋熊小科普 – 译学馆
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树袋熊小科普

Koalas 101 | Nat Geo Wild

– [Narrator] With fluffy ears, round heads,
[旁白]毛茸茸的耳朵 圆滚滚的脑袋
and spoon-shaped noses,
勺型的鼻子
koalas are known for their lovable faces.
树袋熊因为可爱的脸而闻名
But these sleepy, Australian tree dwellers
但这些昏昏欲睡的澳大利亚树栖动物
are full of surprises.
身上充满了惊喜
Koalas are not bears, they’re marsupials.
树袋熊不是熊 它们是有袋类动物
Often mislabeled koala bears
因为它们泰迪熊般的外貌
because of their teddy bear-like appearance,
树袋熊经常被误认为熊
koalas are marsupials,
树袋熊是有袋类动物
mammals that give girth to undeveloped young.
即能生育出为早产儿幼崽的哺乳动物
Like most marsupials,
像大部分有袋类动物一样
mother koalas have pouches,
树袋熊母亲有育儿袋
where baby koalas, or joeys,
约6个月左右的时间
drink their mother’s milk and continue to develop
树袋熊宝宝或幼崽在育儿袋里
for around six months.
喝树袋熊妈妈的奶并继续发育
But unlike most other marsupials,
但不同于大多数其他有袋类动物
koala pouches open toward the bottom.
树袋熊的育儿袋开口是朝下的
This allows joeys to access and consume a substance
这样让幼崽可以拿到并吃到食物
their mother secretes,
即树袋熊母亲盲肠中分泌出的分泌物
which aids in the baby koala’s digestions.
这有助于树袋熊宝宝消化
Koalas have six opposable thumbs.
树袋熊有六个相对的’拇指’
With sharp pointed claws and rough pads,
锋利的爪尖和粗糙的肉垫
koala hands and feet are uniquely designed to grip branches.
树袋熊的手和脚专为紧抓树枝而生
Their front paws have five digits.
它们的前爪有5根指头
Two digits oppose the other three,
其中两指与另外三指相对
like a pair of thumbs.
形状像一对人的拇指
Their back paws each have
它们每只后爪有
one large clawless opposable digit,
一个与其他指头相对的没有利爪的巨大指头
which allows them to grasp branches with their feet,
这个指头让它们可以用脚抓紧树枝
freeing their hands to forage.
以便解放它们的双手去觅食
Koala feet also have built-in combs.
树袋熊的脚还可以当梳子使用
The second and third toes are fused together
它们用相连的第二趾与第三趾
and are used for grooming their wooly fur.
来整理打结的毛发
Koalas eat leaves that are poisonous to many animals.
树袋熊吃的树叶对很多动物而言是有毒的
The koala diet consists almost entirely
树袋熊的食物几乎完全由
of eucalyptus leaves.
桉树叶构成
Of the roughly 650 species of eucalypt trees in Australia,
在澳大利亚大约650种桉树中
koalas prefer only about 30 of them.
树袋熊只偏爱吃其中的30种
The leathery leaves are very high in fiber
坚韧的树叶富含纤维
and contain chemicals toxic to other animals.
还含有对其他动物有毒的化学物质
To process this specialized diet,
为了消化这个特别的食物
koalas have a close ended digest organ called a caecum,
树袋熊有一个叫做盲肠的封闭式消化器官
which helps digest the leaf fibers via fermentation.
在盲肠内发酵树叶纤维以便消化
Koalas sleep up to 22 hours per day.
树袋熊每天至多能睡22小时
Because of their low nutrition diets
因为它们的饮食缺乏营养
and sluggish metabolism, koalas must conserve their energy.
并且新陈代谢缓慢 树袋熊必须保存能量
Koalas spend about 10% of their day eating
树袋熊花约10%的时间吃东西
and about 90% of their time sleeping.
约90%的时间睡觉
To accommodate so much time sleeping in tree branches,
为了适应长时间在树枝上睡觉
koalas have curved spines and tail-less rears
树袋熊的脊椎是弯曲的 没有尾巴
padded with cartilage and extra thick fur.
尾部的软骨和特别厚的皮毛形成垫子
Koala habitat is quickly disappearing.
树袋熊的栖息地正在快速消失
Koalas only live in eastern and southeastern Australia,
树袋熊仅在澳大利亚的东部和东南部生活
and once numbered in the millions.
它们的数量曾达数百万只
Now, wild koala population estimates vary
现在 野生树袋熊数量估计
from 43,000 to around 350,000.
在4万3到约35万之间
Vast tree clearing due to urbanization,
自19世纪早期起
along with droughts and forest fires,
由于城市化 干旱和森林大火
have drastically reduced koala habitats
大量树木消失
since the early 1900s.
极剧地缩减了树袋熊的栖息地
These stressors have made koalas vulnerable to diseases,
使树袋熊很容易生病
as well as dog attacks and vehicle strikes.
被狗袭击和车祸等各种因素更让其处境雪上加霜
Australia’s conservation plans include designating
澳大利亚保护计划包括指定
and protecting koala habitat,
并保护树袋熊栖息地
and funding koala hospitals and disease research.
为树袋熊医疗和疾病研究设立基金
These combined efforts are critical
这些努力对于
to protect the beloved koala from extinction.
保护可爱的树袋熊免于灭绝至关重要

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视频概述

本视频介绍了关于无尾熊的知识,以及它们所面临的危机和人类为保护无尾熊而做的努力

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收集自网络

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萤火絮语

审核员

审核员 EM

视频来源

https://www.youtube.com/watch?v=oI3ADcDH0Uc

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