If birds left tracks in the sky, what would they look like ... so must a pattern form in the wake of a flying bird. But of course birds in flight leave no trace—at least none visible to the ...

We all love to see birds and their flock flying in the sky in a synchronised way. But have you ever wondered why these birds fly or migrate in a specific V formation? Watching these birds in a ...

We all love to see birds and their flock flying in the sky in a synchronised way. But have you ever wondered why these birds fly or migrate in a specific – V formation? Watching these birds in a ...