Eciton burchellii submajor carrying a spider. This long-legged caste is specialized for transporting large or awkward prey.

Maquipucuna reserve, Pichincha, 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 submajor carrying a spider. This long-legged caste is specialized for transporting large or awkward prey.

Maquipucuna reserve, Pichincha, Ecuador
A tight column of Cerapachys ruficornis departs on an afternoon raid.

Diamond Creek, Victoria, Australia
A column of sleek Cerapachys ruficornis.  Notice that most of these ants carry small red mites on their bodies.

Diamond Creek, Victoria, Australia
A tight column of Cerapachys ruficornis departs on an afternoon raid.

Diamond Creek, Victoria, Australia
Colonies of the giant neotropical army ant Eciton burchelli have workers of many different sizes specialized for different tasks.  The large, light-colored ant at center is a soldier that performs defensive functions, the smaller ants are minor workers that specialize in prey capture.

Captive colony at the California Academy of Sciences
A tight column of Cerapachys ruficornis departs on an afternoon raid.

Diamond Creek, Victoria, Australia
A column of sleek Cerapachys ruficornis.  Notice that most of these ants carry small red mites on their bodies.

Diamond Creek, Victoria, Australia
Eciton burchellii submajor carrying a spider. This long-legged caste is specialized for transporting large or awkward prey.

Maquipucuna reserve, Pichincha, 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 submajor carrying a spider. This long-legged caste is specialized for transporting large or awkward prey.

Maquipucuna reserve, Pichincha, Ecuador
See photo in original gallery.
all images and text © Alex Wild 2001-2013