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Thousands of birds were slaughtered for their feathers.人们为得到羽毛捕杀了数以千计的鸟。The estuary is home to the largest breeding population of birds in Australia.该河口是澳大利亚最大的鸟类种群繁殖场所。Many birds return to the same spot year after year.许多鸟类年复一年地回到同一个地方。The noise scared off the birds.响声把鸟儿吓跑了。The robin keeps other birds off that part of the garden - that's his territory.这只知更鸟不许其他鸟儿进入花园的那块地方，那是它的领地。These birds are cliff nesters.这些鸟是悬崖绝壁上的筑巢者。Recent evidence supports the theory that birds are the modern descendants of dinosaurs.近期的证据为鸟类是恐龙的现代后裔这一理论提供了支持。We observed a large flock of birds heading north.我们注意到一大群鸟正向北飞去。At this time of year many birds can be found on the island. 每年的这个时候，岛上都会有很多鸟。The birds were chirping in the trees.鸟儿在树上啁啾鸣叫。The birds returned to their nests and continued to incubate the eggs.鸟儿回到巢里继续孵卵。How do birds know when to migrate, and how do they find their way back home?鸟类是如何知道何时迁徙，它们又是如何找到归家之路的呢？He demonstrated his techniques for ringing birds.他展示了给鸟儿环志的技术。Some birds roosted on a branch.几只鸟栖于树枝上。There was a flutter of wings as the birds took flight.鸟儿飞起时会振动翅膀。The birds fly south for the winter.这些鸟飞往南方过冬。Feathers are a feature specific to birds.羽毛是鸟类特有的特征。The birds' loud cries startled me.鸟儿的大声鸣叫吓了我一跳。These birds have a wide geographical distribution.这些鸟地理分布广泛。The lives of thousands of birds are in jeopardy as a result of the oil spill.石油泄漏使成千上万只鸟的生命受到威胁。The birds were set free.鸟儿给放了。I awoke to the sound of birds singing.我在鸟鸣声中醒来。Stick to the paths, and make sure you keep your distance from nesting birds.沿着小路走，而且要远离筑巢的鸟儿。These particular birds live on only one island in the Pacific.这些独特的鸟只生活在太平洋的一个岛上。The new research blows a hole in theories about the evolution of birds.新的研究批驳了关于鸟类进化的理论。Blood from the birds' pecks trickled down her face.血从被鸟啄伤的地方顺着她的脸往下流。I could hear the birds singing outside my window.我听到鸟儿在窗外歌唱。We heard various birds calling to one another in the park.在公园里，我们听到各种鸟儿啁啾争鸣。The mixed coppice is an ideal habitat for nesting birds.混生矮林是鸟儿筑巢的理想场所。Do you hear the birds singing?你听到鸟儿在啼叫了吗？Our approach frightened the birds.我们的靠近吓着了那些鸟。The proposals are contained in a European directive on wild birds.这些建议纳入了欧洲关于野生鸟类的指导政策中。The birds were performing a complex mating ritual.这些鸟在进行程序复杂的交配。Every animal has his element assigned him, the birds have the air and man and beasts the earth.一切动物都有天赋的自然环境，鸟生活在空中，人与兽生活在地上。The area has a great diversity of birds.这个地区鸟类繁多。The birds were flushed out of the tree.栖身在那棵树上的鸟儿被赶走了。The birds scattered at the sound of the gun.枪声一响鸟群受惊飞散。Both birds had a dark blue crest.两只鸟都有深蓝色冠羽。The owls' formidable talons can carry birds up to the size of a chicken.猫头鹰的利爪能抓起鸡那么大小的鸟儿。Walkers can unwittingly damage the fragile environment in which the birds live.徒步旅行者可能无意中破坏鸟类生活的脆弱环境。 |