If birds left tracks in the sky, what would they ... the Mediterranean coast, a flock of greater flamingos is silhouetted in the water, while European herring gulls fly overhead.

We all love to see birds and their flock flying in the sky in a synchronised way ... by other large birds such as geese, pelicans, and storks. However, the effectiveness of this strategy is ...

We all love to see birds and their flock flying in the sky in a synchronised way ... by other large birds such as geese, pelicans, and storks. However, the effectiveness of this strategy ...