Swarm

Sparrows, robins and great tits have a relatively limited range, but it is not inconceivable that they will soon have to start migrating over long distances. Climate change is transforming the landscapes where they usually settle into uninhabitable, barren plains. Sparrows, robins and great tits have a relatively limited range, but it is not inconceivable that they will soon have to start migrating over long distances. Climate change is transforming the landscapes where they usually settle into uninhabitable, barren plains. Sparrows, robins and great tits have a relatively limited range, but it is not inconceivable that they will soon have to start migrating over long distances. Climate change is transforming the landscapes where they usually settle into uninhabitable, barren plains. Sparrows, robins and great tits have a relatively limited range, but it is not inconceivable that they will soon have to start migrating over long distances. Climate change is transforming the landscapes where they usually settle into uninhabitable, barren plains.