swans do fly far
The simple answer: some do, as they migrate. Some basically sit there as a huge blob.
far far away
350 miles
uhh ravens don't migrate at all!
Turkey Vultures in the Southern US do not, but the Northern birds may migrate as far as South America. So some do, but most do not.
When the countryside was still open and unfenced, the buffalo would migrate north and south on the plains in the course of the year. Now that the open plains are gone and the buffalo's numbers are greatly reduced, the few remaining no longer migrate very far.
7700miles
it means when a bird or living mammal will once a year do something specific like migrate etc
More Than 1,000 Birds Fly To Migrate Across Lands,And Seas
Neither. They live in Central-America and are active all year long. Frogs never really migrate by the way, a number of species hibernate but they are never far away from water.
Arctic terns migrate all the way to the coast of Antarctica.