A Monarch-Like Wonder from Mountains Down Under

There's a little gray moth in Australia that does something extraordinary. Like the Monarch butterfly of North America, it migrates over long distances. Unlike the Monarch, it flies at night. And it doesn't even need to.

Current Biology describes this dull-colored little wonder, called the Bogong moth, as the "nocturnal counterpart of the migratory Monarch butterfly." Its summer home is as amazing as the mountain forests of Mexico where the Monarchs were discovered.

If you ever have the chan...