“Even the stork in the sky Knows her seasons; And the turtledove and the swift and the thrush Observe the time of their migration; But My people do not know The ordinance of the LORD.” (Jeremiah 8:7 NASB)
This time of the year, the birds start gathering together to migrate, or move, to their winter place. The birds in Australia, begin flying north to their summer place. But they like to fly in groups. This helps keep them secure and going in the right direction. The cartoon below is cute, but God has built into birds a very accurate way to migrate. A few birds become confused in storms and become “lost.” Even then, many of them still arrive at their destinations.
The V-formation helps the birds use less energy. This enables the birds to travel the long distances much easier. There are several articles written that you might want to read: