Longest Migration Bird, Longest Migratory Seabird or Animal

Longest migration: Arctic tern breeds in Arctic, Sub-Arctic regions of Asia, Europe and North America. Their recorded migration was up to 40, 000 km (25, 000 miles) in a year. They return to the same mates and nest sites, of previous years after travelling the world. Arctiv tern are also long-lived seabirds as they can live for more than 28 to 33 years. The longest distance travelled by a seabird or bird is 25,230 miles a year.