Migration and navigation in birdsbirds: what's the secret of birds success around the world?

Migration and navigation in birdsbirds: what's the secret of birds success around the world? Mathew 6:26  Look at the birds of the air, for  they neither sow nor reap nor gather into barns;  yet your heavenly Father feeds them. Are you  not of more value than they?   Birds are animals of the class, Aves,most of whom fly.There still are birds that are flightless. View Complete Details at https://gistwheel.com/2016/10/16/migration-and-navigation-how-and-why-do-birds-make-round-the-world/