Eciton rapax lacks the distinct solider caste that marks most other species of Eciton, but it does show variation in worker size. Jatun Sacha reserve, Napo, Ecuador
Eciton burchellii submajor carrying a spider. This long-legged caste is specialized for transporting large or awkward prey. Maquipucuna reserve, Pichincha, Ecuador
Eciton burchellii workers transport a captured ant pupa back to their bivouac. Maquipucuna reserve, Pichincha, Ecuador