結果 : why do birds need wings
4:48

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

SciShow Kids
103,198 回視聴 - 2 年前
5:18

Why do Birds Have Wings? - Ask A Zookeeper 8

BioBush
3,946 回視聴 - 6 年前
2:30

How Do Birds Fly?

thependulumswing
748,267 回視聴 - 12 年前
4:32

Why can't some birds fly? - Gillian Gibb

TED-Ed
2,058,152 回視聴 - 6 年前
4:00

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

SmarterEveryDay
1,302,623 回視聴 - 12 年前

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0:37

Why Birds Fly In ‘V’ Formations 🤔

Zack D. Films
14,666,165 回視聴 - 1 年前
4:18

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

Mystery Science
567,344 回視聴 - 7 年前

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1:49:26

Waiting For Wings: The sequel to The Fledgling 4 owl documentary

Joe Gowac
86 回視聴 - 2 日前
5:05

How Birds Fly? - The Dr. Binocs Show | Best Learning Videos For Kids | Peekaboo Kidz

Peekaboo Kidz
1,040,407 回視聴 - 7 年前
0:48

Why do birds have wings

Edufacts
314 回視聴 - 4 年前
4:57

Can Humans Fly With Wings?

ZoneA
442,689 回視聴 - 7 年前
0:35

Could You Fly By Flapping Your Arms? 🤔

Zack D. Films
35,279,810 回視聴 - 6 か月前
0:20

My Human Wings project. Can we fly like birds?

Rad Gear
164,768 回視聴 - 5 年前
4:22

Bird Wing Shapes - How Birds Fly

BioBush
121,905 回視聴 - 7 年前
0:06

Why is My Budgie Flapping Its Wings? #birds

birds online
3,493 回視聴 - 1 年前
0:34

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

Nature on PBS
6,925 回視聴 - 11 か月前
0:33

Reasons for Clipping a Parrot's Wings🦜🪽

Curiosity Heaven
62,542 回視聴 - 1 年前
0:11

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

2CAN TV - My Life With Toucans!
232,823 回視聴 - 1 年前
0:27

Why Airplanes Have Curved Wing Tips 🤨

Zack D. Films
7,266,381 回視聴 - 2 年前