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Asked by plomtasid [A-M] to Aimee, Gemma, Hussain, Robert, Ross on 15 Nov 2015.
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Hussain Jaffery answered on 15 Nov 2015:
Great question. Bird actually evolved for flying dinosaurs and for these ancient dinos, evolving the ability to sly would have given them advantages over their prey. Birds have trained the wings, as having wings continues to give them advantages, mainly the ability to take to the sky.
Animals tend to live in a ‘niche’ or a place where they fit in the ecosystem. Birds find that have wings gives them a completely different niche, compared to animals who don’t have wings, helping them survive and prosper.
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Aimee Goodall answered on 16 Nov 2015:
Hussain seems to have this covered!
Birds have wings so that they can see about what they hunt, but also they can stay about what hunts them :O
Birds have wings while humans have arms as birds have found a greater need to stay in the sky.
In the winter birds often fly to warmer countries were there is a greater amount of food, much easier than walking 😛
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