很多鸟类具有了不起的返回原地的本能。
北极狐主要以鸟类、鸟蛋和其他小动物为食。
The Arctic foxes feed mainly on birds, birds' eggs and other small animals.
其他鸟类在不知情的情况下携带着种子，让种子搭便车。
Other birds unknowingly carry seeds that cling to them for the ride.
吸引和喂食野生鸟类是世界各地人们长期喜爱的娱乐活动。
Attracting and feeding wild birds are entertaining activities that have long been enjoyed by people all over the world.
黄桑有一片保存良好的森林，有不同寻常的鸟类和动物，值得一看。
Huangsang has a well kept forest with unusual birds and animals, which is worth a visit.
这种小蜂鸟是她的杰作，她把其他鸟类只能分享的种种天赋全部给了它。
Her masterpiece is this little humming-bird, and upon it she has heaped all the gifts which the other birds may only share.
最后，这片土地为栖息在这里的鸟类、动物和植物保留了一个安全的地方。
In the end, the land remained a safe place for birds, animals and plants that belonged there.
速度滑冰场的建造形状像一艘侧翻的船，并在选址时注意避开鸟类保护区。
The speed-skating rink was built to look like an overturned ship, and placed so as not to disturb a bird sanctuary.
这片土地很潮湿，森林丛生，为鸟类、其他动物和许多不同的植物提供了家园。
The land was wet and forested, and made a home for birds, other animals and many different plants.
不仅如此，大多数种类的鸟类在感觉到危险时都不会那么快地抛弃它们的幼鸟。
Not only that, but most types of birds aren't so quick to abandon their young when they sense danger.
自1914年以来，科学家们已经知道，以V字形队形飞行的鸟类消耗的能量更少。
Since 1914, scientists have known that birds flying in formation—a V-shape—expend less energy.
随着时间的推移，羽毛变得越来越大，扑翼飞行逐渐发展，鸟类最终完全可以在空中飞行。
As feathers became larger over time, flapping flight evolved and birds finally became fully air-borne.
与单独飞行的鸟类相比，以V形飞行的加拿大鹅在没有休息的情况下可以多飞17％。
Canada geese flying in a V shape can fly seventeen percent farther without having a rest than the birds flying alone.
我今天要讲的是对一种特殊鸟类的研究——新喀里多尼亚乌鸦，它的自然栖息地是太平洋上的小岛。
I'm going to talk today about research into a particular species of bird—the New Caledonian crow, whose natural habitat is small islands in the Pacific Ocean.
与单独飞行的鸟类相比，以V形飞行的加拿大鹅在没有休息的情况下可以多飞行百分之七十的距离。
Canada geese flying in a V shape can fly seventy percent farther without having a rest than the birds flying alone.
在中国出土的有羽毛的恐龙化石为恐龙和鸟类之间的密切进化关系提供了迄今为止最引人注目的证据。
Unearthed in China, fossils of feathered dinosaurs offer the most dramatic evidence yet discovered of the close evolutionary relationship between dinosaurs and birds.
行走中的人可以认识树木、花朵、昆虫、鸟类和动物，了解不同季节的意义，感受自己作为一个活生生的人生活在一个生机勃勃的世界里。
The man walking can learn the trees, flowers, insects, birds and animals, the significance of seasons, the very feel of himself as a living creature in a living world.
鸟类在巢穴、岩石悬垂处、树丛以及茂密的灌木丛中寻找庇护，以躲避一天中最热的时候；而像更格卢鼠这样的哺乳动物则选择藏身于地下的洞穴中。
Birds shelter in nests, rock overhangs, trees, and dense shrubs to avoid the hottest hours of the day, while mammals like the kangaroo rat burrow underground.
从这类实验中得出的越来越多的证据表明，鸟类能够提前计划它们的行动，这对于理解鸟类认知能力来说非常有趣。
Evidence is building up from experiments such as these that the birds are able to plan their actions in advance, which is very interesting for understanding their cognition.
知更鸟认为他对他们胡言乱语，因为他们不够聪明，听不懂鸟类的语言。
The robin thought he spoke this gibberish to them because they were not intelligent enough to understand feathered speech.
雨林孕育了大量药用植物、食物、鸟类和动物。
Rainforests are home to a rich variety of medicinal plants, food, birds and animals.
观鸟协会每年都去扎龙自然保护区统计鸟类数量。
The Birdwatching Society goes to Zhalong Nature Reserve to count the birds every year.
他进行关于鸟类的研究，经营网站来教人们鸟类相关的知识以及帮助它们的方法，并为鸟儿制作箱子。
He does research about birds, runs a website to teach people about birds and how to help them, and builds boxes for birds.
这一发现有助于巩固恐龙和鸟类之间的联系，但它也为自然界最初为什么会产生羽毛这一谜题提供了新的线索。
The find helps cement the dinosaur-bird connection, but it also casts new light on the mystery of why nature invented feathers in the first place.
鹤是一种腿和颈都很长的大型鸟类。
赫氏近鸟身上的色彩让人联想到现代的鸟类。
The color pattern of Anchiornis is reminiscent of living birds.
鸟类和其他野生动物向人类传达了一种信息。
它是世界上观察研究鸟类最佳的目的地之一。
It ranks as one of the top birding destinations in the world.
丹顶鹤的寿命有六十年，它是鸟类中的寿星。
So it is the longest-living of all bird species. For centuries, cranes have been revered in China as symbols of longevity.
鸟类也有天生的时间感应器指导它们秋春迁移。
Birds also have built-in timepieces which send them off on fall and spring migrations.
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