Question

why does a Kiwi cannot fly ? any scientific explanation.

Answer 1

HELLO FRIEND YOUR ANSWER IS-
Kiwi are flightless – their Latin species name is Apteryx, which means wingless. They belong to an ancient group of birds that can't fly – the ratites. Because they can't fly, how they arrived in New Zealand is not completely clear.

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Answer 2

Kiwin birds can't fly because their tiny wings can't support them in the air .
birds need large wings along with feathers to help ,support them in the air