Friend or foe? Two Wasmannia auropunctata meet on a foraging trail and briefly assess each other. Ants from different colonies will attack each other, but these two are nestmates and let each other pass. Gamboa, Panama
A colorful Calomyrmex laevissimus worker forages along a leaf in an Australian rainforest. Mungkan Kandju National Park, Queensland, Australia
A Calomyrmex albertisi worker forages along the forest floor. Mungkan Kandju National Park, Queensland, Australia
