Actually, the reason is that it’s more aerodynamically efficient that way. It takes the effort-saving qualities of the V-formation and takes it one step further. (I have an exact explanation somewhere, but I’d have to get out my steam shovel to find it.)
Actually, the reason is that it’s more aerodynamically efficient that way. It takes the effort-saving qualities of the V-formation and takes it one step further. (I have an exact explanation somewhere, but I’d have to get out my steam shovel to find it.)