A bird is flying in sky .Which law of motion is this?

1.	A bird is flying in sky .Which law of motion is this?
Answer» It is third law of motion it state that for every action there is equal and opposite reaction as birds fly perch to perch each beat of its wing pushes the air which in turn pushes against the box and also sucks the ceiling slightly First law ! How? Will you please explain? First law of motion 1st law of motion

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