Why Do Birds Fly in V-Formation?

This is particularly difficult for human pilots master formation flight: it takes years of practicing. But for migratory birds that's piece of cake. 65 % of the birds species do migrate. The way birds migrate varies a lot: some will do it alone (like the cuckoo), others in pai... [ read more >> ]

Lesser white fronted geese (Anser erythropus) flight formation

Image comment: Lesser white fronted geese (Anser erythropus) flight formation

Lesser white fronted geese (Anser erythropus) flight formation