Butterfly, Butterfly (The Last Hurrah) Butterfly, Butterfly (The Last Hurrah) "Butterfly, Butterfly (The Last Hurrah)" is a song by A-ha, and their final recording before their second splitting on 4 December 2010. The song was sold digitally in Norway from July 5. It is included on "25", a compilation album released on July 19. Its world premiere was on June 14, 2010. The single entered the Norwegian single chart at #13 and reached #6 on the airplay chart soon after. It also charted at #66 in the World singles official top 100. Much like many of A-ha's early music videos (including that of "Take on
Monarch butterfly migration silk moths, Fred Urquart initiated monarch butterfly tagging and used wing incisions, spots arrangements, colored spots, spraying with dyes, painted letters and numbers to mark the butterflies. These methods were unsuccessful as there were no instructions to return the butterfly or record the recovery. Currently, many organizations study migration by tagging. New methods of studying the migration include the use of VHF transmitters and commercial aircraft. Isotopic tagging has been employed. Theories that explain monarch migration are many. "Science has not yet offered a sufficient explanation for how that [the migration] happens." Researchers often propose that multiple migratory mechanisms play