一只金刚鹦鹉从栖枝上冲他尖叫。
鸟儿栖在树上。
大致说来，犀牛是一种定栖动物。
为什么那位演讲者要选择这种两栖动物作为公众生物的代表呢？
Why does the speaker choose that amphibian as her representative of a public creature?
一些两栖动物通过在地下深处的休眠期内完成加速发育以适应干旱环境。
Some amphibians adapt to arid environments by completing accelerated development with resting stages deep underground.
关于鸟类飞行的起源，传统上提出了两种对立的假设：“地栖说”和“树栖说”。
Two opposing scenarios, the "arboreal" hypothesis and the "cursorial" hypothesis, have traditionally been put forward concerning the origins of bird flight.
一个类似的策略——加速发展与休息阶段相结合——也使两栖动物得以栖息在沙漠中。
A similar strategy—accelerated development combined with a resting stage—has also allowed amphibians to inhabit deserts.
可以肯定的是，这些水陆两栖物种的数据出现在接近三角坐标中间的位置，位于水栖海龟和陆栖乌龟的坐标点之间。
Sure enough, these amphibious species show up on the triangular graph approximately half way between the "wet cluster" of sea turtles and the "dry cluster" of land tortoises.
像大多数的两栖动物一样，它们从幼年的“蝌蚪”状态蜕变成成年的形式——蝾螈这个物种除外，众所周知，它一生都处于幼年状态。
Like most amphibians these begin life in a juvenile "tadpole" state, then metamorphose into the adult form — except for one species, the axolotl, which famously lives its entire life as a juvenile.
水栖动物获得池塘，陆栖动物获得某种笼子。
Aquatic animals get tanks, land animals get enclosures of some kind.
罗伊兹海角群栖地的阿德利企鹅。
栖在树枝上的红脚鲣鸟。
最初的飞行动物是首先从树梢滑翔到地面的树栖动物吗？
Were the first flyers arboreal creatures that initially glided from tree tops to the ground?
在印度，大量的栖地流失造成孟加拉虎的数量持续减少。
In India, massive habitat loss continues to devastate Bengal tiger populations.
北美两栖类监测计划是美国最大的青蛙计数系统。
The North American Amphibian Monitoring Program is the country's largest frog-counting system.
北美两栖动物监测中心是美国最大的青蛙统计机构。
The North American Amphibian Monitoring Program is the country’s largest frog-counting system.
北美两栖动物监测中心是美国最大的青蛙统计机构。
The North American Amphibian Monitoring Program is the country's largest frog-counting system.
这个世界对于青步甲来说简直就是一个两栖类美食餐厅。
The world is an amphibian smorgasbord to the Epomis beetles.
起初，天气乍凉的时候，这种两栖动物将自己埋在土壤里。
At first this amphibian deals with the cooler days by burying itself in the soil.
但是其它因素也会带来影响：栖地的流失、污染、疾病和入侵的物种。
But other factors have also had an impact: habitat loss, pollution, disease and invasive species.
每年春天，亚马逊河豚离开所属河道的范围，到从前的栖地去晃一晃。
Every spring the Amazon dolphins get to leave the confines of their river channel for a taste of their former habitat.
在其他海带品种中，羊栖菜(hijiki)是值得注意的。
世界上有六千种两栖动物，其中多达一半的两栖动物濒临灭绝。
Up to half of the world's 6, 000 amphibian species are thought to be in danger of extinction.
鸟类和哺乳类靠质生存,而非以量取胜，这与鱼类和两栖类不同。
Birds and mammals invest in quality and not quantity, as opposed to fish and reptiles.
他们把步甲放进笼子，并一只一只地放进上面提及的五种两栖类。
They put the Epomis beetles in a cage with each of the five aforementioned amphibians one by one.
库克湾是白鲸的栖生地，这种鲸将有可能很快成为濒临灭绝物种。
The inlet hosts beluga whales, which could soon be added to the endangered species list.
库克湾是白鲸的栖生地，这种鲸将有可能很快成为濒临灭绝物种。
The inlet hosts beluga whales, which could soon be added to the endangered species list.
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