鸟类的

The kiwi which is New Zealand's national bird , is one of these types of flightless birds .

驼是新西兰的国鸟，它就是这些不能飞行的鸟类之一。

During this time mammals, along with some large flightless birds, did take over. Then they became extinct.

在这期间，一些哺乳动物与一些无飞行能力的大型鸟类对这个世界也有过当家作主的经历，之后它们就灭绝了。

With a large turnover of migratory water bird species during migration periods, Ras Al Khor is a key refueling point for birds using the west Asian Flyway.

在鸟类迁徙季节，大量的迁徙水鸟回迁于此。它是西亚线迁飞候鸟重要的能量补充站。

"The courting male's throat pouch becomes bright red and is inflated to the size of a person's head. Perhaps the most aerial of all bird s except the swifts, frigate bird s land only to sleep or tend the nest."

雄鸟的喉囊于求偶期变成鲜红色，可臌起，大如人头，除雨燕外，军舰鸟可能是所有鸟类中最善于飞翔的种类，只有睡眠和抱卵时方停止飞行。

Silesaurids were diverse and had a wide distribution by the Late Triassic, with a novel ornithodiran bauplan including leaf-shaped teeth, a beak-like lower jaw, long, gracile limbs, and a quadrupedal stance.

新发现的种是"鸟颈类主龙"已知最早的成员之一，这个鸟类分支还包括恐龙和飞龙，其生活年代可以追溯到两大"祖龙"类别"鸟颈类"和"鳄鱼类"分化后不久。

In the 1800s the birds' guano—a necessary part of their nesting environment—was stripped away from their nesting grounds to provide fertilizer for farms.

在1800年代鸟类海鸟粪一个必要组成部分，他们产卵环境被剥夺了，从他们的栖息地，提供肥料的农场。

For much of his life, Leonardo was fascinated by the phenomenon of flight, producing many studies of the flight of birds, including his c. 1505 Codex on the Flight of Birds, as well as plans for several flying machines, including a helicopter and a light hang glider.

李奥那多一生中大部分时间痴迷于观察飞行现象，留下了许多鸟类飞行的研究手稿，包括作于1505年的《莱斯特抄本》，以及好几种飞行器示意图——其中有直升机和轻型悬挂式滑翔机。

Over the past 3 decades, increasing incidence of hemochromatosis has been documented in captive birds.

在过去的三十年之间，有越来越多的报告指出圈养鸟类容易罹患此疾病。

Course areas including Primate Ecology and Behavior, Biology of the Rain Forest, Ornithology, Herpetology, Rainforest Art, Medicinal Plants, Tropical Plant Ecology and various art classes are leading the way worldwide in helping blaze the trail of research and ecological understanding.

课程包括灵长类动物生态学与行为、雨林生物学、鸟类学、爬虫学、雨林艺术、药用植物，热带植物生态学，用各种不同的艺术种类和方式帮助激发研究和对生态学的理解。

Hesperornis was a large flightless bird that swam in the oceans and snared fish with a tooth lined beak .

黄昏鸟是一种大而不会飞的鸟类，它们在大洋中游弋，靠布满牙齿的喙捕食鱼类。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐