1.
One, such as an ornithologist, who works with birds.
鸟类学家研究鸟类的人，如鸟学家
2.
Studies of Bird Karyotypes X. Emberizinae 9 Species
鸟类核型研究——Ⅹ.?亚科9种鸟类的核型
3.
There was also an aviary full of rare birds.
那里面还有装满稀有鸟类的鸟舍。
4.
of or relating to the songbirds.
属于或关于鸣禽鸟类的。
5.
What do birds do with their wings ?
鸟类的翅膀干什么用?
6.
a dummy pigeon used to decoy others.
诱捕其他鸟类的假鸽子。
7.
Flight is natural to birds.
飞翔是鸟类的天性。
8.
disease of domestic fowl and other birds.
家禽或鸟类的一种疾
9.
So it is with the music of birds.
鸟类的鸣声也是如此。
10.
large aquatic birds: loons and some extinct forms.
大型水生鸟类；潜鸟及其它一些已绝迹的鸟类。
11.
Any of various similar New World birds of the family Icteridae.
类似拟穷琼鸟科的西半球的鸟类
12.
Any of several other birds that resemble the pheasant, such as the partridge.
雉科鸟类似于雉的其它鸟类，如山鹑
13.
A bird whose feet are adapted for perching.
栖木鸟类脚爪适于栖息的鸟类
14.
Reptilia and Aves of North America
北美的爬虫类和鸟类
15.
Any of several birds known for their chattering call, as of the genera Saxicola or Icteria.
鸣禽以啁啾声著名的鸟类，如石?鸟属或巨?鸟属
16.
A good way to identify birds is by their call notes.
通过鸟的鸣叫声就能判定鸟的种类。
17.
The crest of an animal, especially of a bird.
鸟冠动物的肉冠，尤指鸟类
18.
Messiaen s Le Merle Bleu and His Other Works of Birds;
梅西安的《兰色鸫鸟》和鸟类题材作品