Eciton burchellii workers form a living chain at the edge of a bivouac. Claws at the tips of the ants' feet allow them to link together. Maquipucuna reserve, Pichincha, Ecuador
Eciton hamatum soldier. Jatun Sacha reserve, Napo, Ecuador
An Eciton hamatum soldier uses her ice-tong mandibles to latch on to the photographer's skin. This gives her the leverage to use her stinger (at the read end of the animal) and makes her very difficult to remove. Jatun Sacha reserve, Napo, Ecuador
