19 sentences

1. 鸟类没有生殖器。

   niǎo​lèi méi​yǒu shēng​zhí​qì.

   Birds don't have genitals.

   Source: OpenSubtitles

2. 脊令是《诗经》中提到的鸟类。

   jǐ líng shì《 Shī​jīng》 zhōng tí​dào de niǎo​lèi.

   The wagtail is a bird mentioned in the Classic of Poetry.

   Source: Dong Chinese Dictionary

3. 她对鸟类和花草很有研究。

   tā duì niǎo​lèi hé huā​cǎo hěn yǒu yán​jiū.

   She has extensive knowledge of birds, flowers, and plants.

   Source: Tatoeba

4. 那片芦苇荡是鸟类的天堂。

   nà piàn lú​wěi dàng shì niǎo​lèi de tiān​táng.

   That reed marsh is a paradise for birds.

   Source: Dong Chinese Dictionary

5. 我喜欢鸟类是因为它们很完美。

   wǒ xǐ​huan niǎo​lèi shì yīn​wèi tā​men hěn wán​měi.

   I like birds because they're perfect.

   Source: OpenSubtitles

6. 这种罕见的鸟类已经濒临灭绝。

   zhè zhǒng hǎn​jiàn de niǎo​lèi yǐ​jīng bīn​lín miè jué.

   This rare bird species is on the brink of extinction.

   Source: Dong Chinese Dictionary

7. 这种鸟类拥有色彩斑斓的羽毛。

   zhè zhǒng niǎo​lèi yōng​yǒu sè​cǎi bān​lán de yǔ​máo.

   This type of bird has colorful plumage.

   Source: Dong Chinese Dictionary

8. 蜂鸟是世界上最小的鸟类之一。

   fēng​niǎo shì shì​jiè shàng zuì xiǎo de niǎo​lèi zhī​yī.

   Hummingbirds are among the smallest birds in the world.

   Source: Dong Chinese Dictionary

9. 鸟类和哺乳动物一样，都是热血的。

   niǎo​lèi hé bǔ​rǔ​dòng​wù yī​yàng, dōu shì rè​xuè de.

   Birds, like mammals, are warm-blooded.

   Source: Dong Chinese Dictionary

10. 始祖鸟被认为是现代鸟类的祖先。

    shǐ​zǔ​niǎo bèi rèn​wéi shì xiàn​dài niǎo​lèi de zǔ​xiān.

    Archaeopteryx is considered the ancestor of modern birds.

    Source: Dong Chinese Dictionary

11. 鸵鸟是世界上现存体型最大的鸟类。

    tuó​niǎo shì shì​jiè shàng xiàn​cún tǐ​xíng zuì dà de niǎo​lèi.

    The ostrich is the largest living bird species in the world.

    Source: Dong Chinese Dictionary

12. 农民在田里扎了稻草人来驱赶鸟类。

    nóng​mín zài tián lǐ zā le dào​cǎo​rén lái qū​gǎn niǎo​lèi.

    Farmers set up scarecrows in the fields to drive birds away.

    Source: Dong Chinese Dictionary

13. 这个自然保护区栖息着数百种鸟类。

    zhè​gè zì​rán bǎo​hù​qū qī​xī zhe shù​bǎi zhǒng niǎo​lèi.

    Hundreds of bird species inhabit this nature reserve.

    Source: Dong Chinese Dictionary

14. 这种鸟类在迁徙季节通常会集群飞行。

    zhè zhǒng niǎo​lèi zài qiān​xǐ jì​jié tōng​cháng huì jí​qún fēi​xíng.

    This species of bird usually flies in flocks during migration season.

    Source: Dong Chinese Dictionary

15. 这片沼泽地是许多珍稀鸟类的栖息地。

    zhè piàn zhǎo​zé​dì shì xǔ​duō zhēn​xī niǎo​lèi de qī​xī​dì.

    This marshland is a habitat for many rare birds.

    Source: Dong Chinese Dictionary

16. 他在现场摄得一张极其珍贵的鸟类照片。

    tā zài xiàn​chǎng shè dé yī zhāng jí​qí zhēn​guì de niǎo​lèi zhào​piàn.

    He took an extremely precious photo of a bird at the scene.

    Source: Dong Chinese Dictionary

17. 鸟类的排泄物可能会损坏建筑物的表面。

    niǎo​lèi de pái​xiè​wù kě​néng huì sǔn​huài jiàn​zhù​wù de biǎo​miàn.

    Bird droppings can damage the surfaces of buildings.

    Source: Dong Chinese Dictionary

18. 由于栖息地遭到破坏，这种鸟类已经绝种了。

    yóu​yú qī​xī​dì zāo​dào pò​huài, zhè zhǒng niǎo​lèi yǐ​jīng jué​zhǒng le.

    Due to habitat destruction, this bird species has become extinct.

    Source: Dong Chinese Dictionary

19. 鸟类的气囊可以帮助它们在飞行时减轻体重并辅助呼吸。

    niǎo​lèi de qì​náng kě​yǐ bāng​zhù tā​men zài fēi​xíng shí jiǎn​qīng tǐ​zhòng bìng fǔ​zhù hū​xī.

    Air sacs in birds help reduce weight and assist in breathing during flight.

    Source: Dong Chinese Dictionary