Ed Yong at Phenomena: Dung Beetles Watch the Galaxy (That’s How They Roll)

“Have the beetles specifically evolved the ability to navigate by using the Milky Way, or are they just opportunistically using any landmark that stays in place for the duration of their path?” Chittka wonders. “The Milky Way might not have a special salience for the beetles, but just be one of a class of cues that can be used to maintain a constant direction, such as a tree, a mountain, the sun, or the moon.”