Common ostrich - Wikipedia
Walking on 2 legs is less efficient and more unstable as compared to 4- legged walking. Why do we say that humans 'evolved' from 4 legs to 2 legs? - Quora
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A Bird Like No Other
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-(1)-primary.jpg "Ostriches, the fastest running two-legged animal on the planet, have unique feet. How many toes do ostriches have on each foot? | QuizGriz")
Ostriches, the fastest running two-legged animal on the planet, have unique feet. How many toes do ostriches have on each foot? | QuizGriz
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Sibani Lodge - Did you know?⠀ ⠀ Ostriches are the fastest two-legged animal on the planet- capable of reaching speeds up to 70km/h, cover up to 5m in a single stride!⠀ ⠀
Maryland Zoo on Twitter: "Did you know an Ostrich is the largest living species of bird and the fastest animal on two legs?! #animalfact #mdzoo http://t.co/CJ3FwxWZez" / Twitter
Bipedalism - Wikipedia
Los Angeles Zoo - It's #NationalRunningDay so we're spotlighting some of the Zoo's fastest animals. Did you know that the ostrich is the speediest two-legged land animal? Sometimes topping off at 9
The Ostrich is the world's largest bird. It is also the fastest runner of any bird or other two-legged animal. The flightle… | Flightless bird, Animals, The ostrich
What is the fastest bipedal animal? - Quora
Mammal's Locomotion-3rd version
