那些鸟栖在电视天线上。
三四只鸟在栖枝上不安的跳动。
Three or four birds were moving restlessly on their perches.
恐龙一种，主要生活在中生代时期的陆栖动物，是庞大的食肉或食草爬行类动物，属龙盘目与鸟盘目，已绝种。
Dinosaur, any of various extinct, often gigantic, carnivorous or herbivorous reptiles of the orders saurischia and ornithischia that were chiefly terrestrial and existed during the Mesozoic era.
由于都市化带来的影响，体积较大的动物现时已难得一见，但爬行动物、两栖动物、雀鸟及昆虫则仍然常见。
Under the pressures of urbanisation, larger animal species are rarely seen, but reptiles, amphibians, birds and insects are still common.
园内有品种繁多的野生生物，包括雀鸟、蜻蜓、两栖生物、哺乳类及爬虫类动物、蝴蝶，以及鱼类。
It is home to a stunning array of wildlife including birds, dragonflies, amphibians, mammals, reptiles, butterflies and fish!
比如不能择枝而栖，甚至连在草丛安家也成奢望的飞禽，只能在鼠洞里屈就，而其宿费就是在寒冬时节必须衔枝而归，这种鸟鼠同穴的景象只有在世界屋脊才能随处可见。
For instance, the birds who have no tree branches, or even plants, in which to make a nest have to compromise and to take shelter in rat holes, for which they must find some branches in winter time.
他们大多喜欢捕食老鼠，袋狸，和其他啮齿类动物，但偶尔吃像鸟一样，飞鼠树栖动物。
They feed mostly on animals like rats, bandicoots, and other rodents, but occasionally eat arboreal animals like birds and flying squirrels.
因为非常夜的哺乳动物和鸟是怕羞和紧张的，起重机建议从更容易的事情开始：两栖动物。
Because most nocturnal mammals and birds are shy and skittish, Crane recommends starting with something easier: amphibians.
可24小时提供稳定热能，适合所有爬虫类、两栖类动物、雀鸟及小型动物使用。
Ideal 24 hour heat source for all types of reptiles, amphibians, birds or small animals.
哺乳动物之一，一个鸟在8，一个两栖动物3正濒临灭绝。
One mammal in 4, one bird in 8, one amphibian in 3 are threatened with extinction.
该博物馆包括了六个分部：哺乳动物、鸟、两栖和爬行动物、鱼、昆虫及其他节肢动物、以及软体动物等，这些分部收藏的标本大约有一千五百万种。
The Museum includes six divisions: mammals, birds, amphibians and reptiles, fishes, insects and other arthropods, and molluscs. The divisional collections include some 15 million specimens.
每四只哺乳动物、八只雀鸟、两只两栖动物就有一只濒临绝种，生物品种的死亡率比正常速度快了一千倍。
One mammal in4, one bird in8, one amphibian in 3 are threatened with extinction. species are dying out at a rhythm 1,000 times faster than the natural rate.
每四只哺乳动物、八只雀鸟、两只两栖动物就有一只濒临绝种，生物品种的死亡率比正常速度快了一千倍。
One mammal in4, one bird in8, one amphibian in 3 are threatened with extinction. species are dying out at a rhythm 1,000 times faster than the natural rate.
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