40% of the world's birds migrate - Barnacle Geese for examply
Geese because they migrate every year in giant groups.
If it does not migrate it stays where it was in the summer.
humming bird, geese, robens, buserds,
They migrate to Finland before the summer and migrate away from Finland after the summer.
geese
siberia
There are several birds that migrate in the fall. Geese, ducks, cardinals, crows, finches, wrens, bluebirds, and robins are just a few birds that migrate.
For the food supply.
A gaggle is a flock of geese
under the wings of geese
Saskatchewan's bird is sharp-tailed Grouse.