Guard ants from an Azteca colony defend their nest from an army ant raid by pinning down one of the invaders (Eciton hamatum). Jatun Sacha reserve, Napo, Ecuador
An Eciton hamatum army ant worker is pinned down by fierce little Azteca ants defending their territory. Jatun Sacha reserve, Napo, Ecuador
The swollen stem of a Cordia nodosa plant houses a symbiotic colony of Azteca ants. The ants protect the plant from herbivores in exchange for lodging. Jatun Sacha reserve, Napo, Ecuador
