An Eciton burchellii army ant worker plugs a pothole. Note how her nestmates use her as a stepping stone. Maquipucuna reserve, Pichincha, Ecuador
A column of Eciton rapax, the largest Eciton species, marches across the Amazonian forest floor. Jatun Sacha reserve, Napo, Ecuador
Eciton burchellii set up bivouacs by linking their bodies together. Here, one worker serves as an anchor for several others. Maquipucuna reserve, Pichincha, Ecuador
