Here is a short film made for Autumnwatch about migration. In Britain we are lucky to live where swallows spend the summer and geese spend the winter. Between them these birds travel a large part of the globe.
When the wind swings into the north and the swallows leave I love to think of them spending the winter in the company of elephants while the geese have just parted from polar bears in Greenland.
These are barnacle geese by the way, rather than white-fronted geese.