小燕子，穿花衣。家燕的体型小巧，树麻雀和它比起来都会显得大一些。离得远，它们看起来黑黢黢的，下巴一撮儿红色很明显，离得近，在阳光的照射下，羽毛本身有色素沉淀，除此以外，羽毛的物理特质使得在一些角度看，因散射、干涉或衍射的产生出的结构色，复合呈现出五彩斑斓的蓝色。照片中可以看到羽毛部分：从结构上分类看是正羽，从功能上分类是飞羽。春季，燕子忙着筑巢抚育下一代，因此，它们会为了找寻建筑材料，多次往返很是辛苦。马上它们就要多起来了～#观鸟 #北京观鸟 #鸟类摄影 #家燕

你不知道的冷知识

小燕子，穿花衣。

家燕的体型小巧，树麻雀和它比起来都会显得大一些。

离得远，它们看起来黑黢黢的，下巴一撮儿红色很明显，离得近，在阳光的照射下，羽毛本身有色素沉淀，除此以外，羽毛的物理特质使得在一些角度看，因散射、干涉或衍射的产生出的结构色，复合呈现出五彩斑斓的蓝色。

照片中可以看到羽毛部分：从结构上分类看是正羽，从功能上分类是飞羽。

春季，燕子忙着筑巢抚育下一代，因此，它们会为了找寻建筑材料，多次往返很是辛苦。

马上它们就要多起来了～

#观鸟 #北京观鸟 #鸟类摄影 #家燕

www.tg-me.com/ar/你不知道的冷知识/com.knowledge1024/18458

3.4K viewsMar 18 at 22:05

tg-me.com/knowledge1024/18458

Create: 2025-03-18
Last Update: 2025-05-07 12:24:23

BY 你不知道的冷知识

Share with your friend now:
tg-me.com/knowledge1024/18458

你不知道的冷知识 Telegram | DID YOU KNOW?

Find Channels On Telegram?

Telegram is an aspiring new messaging app that’s taking the world by storm. The app is free, fast, and claims to be one of the safest messengers around. It allows people to connect easily, without any boundaries.You can use channels on Telegram, which are similar to Facebook pages. If you’re wondering how to find channels on Telegram, you’re in the right place. Keep reading and you’ll find out how. Also, you’ll learn more about channels, creating channels yourself, and the difference between private and public Telegram channels.

Telegram has exploded as a hub for cybercriminals looking to buy, sell and share stolen data and hacking tools, new research shows, as the messaging app emerges as an alternative to the dark web.An investigation by cyber intelligence group Cyberint, together with the Financial Times, found a ballooning network of hackers sharing data leaks on the popular messaging platform, sometimes in channels with tens of thousands of subscribers, lured by its ease of use and light-touch moderation.你不知道的冷知识 from ar