Geese from the most northern populations travel to the farthest south. More southerly breeding populations don't migrate as far. This is called leapfrog migration, since the northern geese literally fly over the more southern birds.

Why are geese not flying south?

Our milder climate and the lack of the migrating instinct keeps them here, but even in colder climates as long as the geese can find open water, they can stay warm enough to survive. ... But the birds typically fly north in June in order to molt — Canada has a climate best suited to molting — and breed.

Where do geese fly south to from UK?

Where do geese migrate to from the UK? Geese migrate to Britain in autumn, overwintering on our shores before leaving once more in spring. The different species migrate to different locations, including Greenland, Iceland and Svalbard.