結果 : why do birds need wings
4:48

How Do Animal Wings Work? | The Science of Flight | SciShow Kids

SciShow Kids
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4:00

How Bird Wings Work (Compared to Airplane Wings) - Smarter Every Day 62

SmarterEveryDay
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5:18

Why do Birds Have Wings? - Ask A Zookeeper 8

BioBush
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4:03

Why do birds spread their wings ? @IndianBirdVideos

Indian Bird Videos
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0:17

what happens when you clip your birds wings

Bird paradise
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1:58

Should You Clip Your Bird's Wings? | Pet Bird

Howcast
101,935 回視聴 - 11 年前
0:08

Why you should NEVER clip your birds wings!!! Read description for more info!

Flying Feathers
26,115 回視聴 - 1 年前
0:24

DO Birds Really Need Wing Cutting?@Petcademy

THIS IS REAL FACTS
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0:09

Relaxing Birds with Open Wings: A Rare and Beautiful Sight

Bites Birds
26 回視聴 - 2 日前
0:27

Why are these people clipping birds' wings? 😨

petoology
180,425 回視聴 - 2 か月前
0:35

Do Kiwis have wings?

People·WHYS
926 回視聴 - 5 年前
0:34

Why do these flightless birds have wings? #naturepbs #animalshorts #ostrich #wildlife #bird

Nature on PBS
5,579 回視聴 - 3 か月前
0:20

My Human Wings project. Can we fly like birds?

Rad Gear
120,584 回視聴 - 5 年前
4:57

Can Humans Fly With Wings?

ZoneA
434,157 回視聴 - 7 年前
4:18

Why do penguins have wings if they can't fly?

Mystery Science
541,764 回視聴 - 6 年前
0:48

Why do birds have wings

Edufacts
299 回視聴 - 4 年前
6:24

Should You Clip Your Bird's Wings? Pros & Cons!

Tyler Rugge
170,512 回視聴 - 7 年前
0:11

clipping wings. agree or disagree? #birds #animals #parrot #toucan

2CAN TV - My Life With Toucans!
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6:13

The Bizarre Beast with Claws on Its Wings

Bizarre Beasts
387,906 回視聴 - 4 年前
14:53

How do Wings Work? The Science Behind Bird Flight: How Wings Defy Gravity

Mercer Falconry
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