Will there ever come a day when all humans live in peace, with every child born into a united brotherhood of man? Well, keep writing folk songs, hippie, because we're still killing each other. Meanwhile, colonies of Argentine ants around the globe are gathered around tiny campfires singing Kumbaya..
The ants are known for building massive super colonies (consisting of colonies sometimes hundreds of miles apart), and according to BBC News, these may be part of a worldwide mega-colony. You can take members of the larger super colonies in Europe, Japan and the United States, place them among another colony an ocean away and they'll all get along swimmingly. There's no territorial angst, they just jump in and help. They seem to identify the same chemical signals and are, essentially, members of the same widespread community, rivaling only that of humans.