A soldier Cephalotes porrasi turtle ant seals the nest entrance with her head (left), while one of her sisters passes by. Soldiers act as living doors, allowing only members of their own colonies to pass.

Armenia, Belize
Portrait of Cephalotes clypeatus, the golden turtle ant. This image is a composite of about 20 photographs taken at different focal depths and digitally combined.

Mbaracayú forest reserve, Paraguay
Breaking open a twig reveals a nest of turtle ants, Cephalotes porrasi.

Armenia, Belize
A soldier Cephalotes porrasi turtle ant seals the nest entrance with her head (left), while one of her sisters passes by. Soldiers act as living doors, allowing only members of their own colonies to pass.

Armenia, Belize
Major and minor workers of the turtle ant Cephalotes pusillus engage in trophallaxis food-sharing behavior.

Carrancas, Minas Gerais, Brazil
Major and minor workers of the turtle ant Cephalotes pusillus engage in trophallaxis food-sharing behavior.

Carrancas, Minas Gerais, Brazil
Major and minor workers of the turtle ant Cephalotes pusillus engage in trophallaxis food-sharing behavior.

Carrancas, Minas Gerais, Brazil
Cephalotes pusillus workers in the nest.

Carrancas, Minas Gerais, Brazil
Major and minor workers of the turtle ant Cephalotes pusillus engage in trophallaxis food-sharing behavior.

Carrancas, Minas Gerais, Brazil
A soldier Cephalotes porrasi turtle ant seals the nest entrance with her head (left), while one of her sisters passes by. Soldiers act as living doors, allowing only members of their own colonies to pass.

Armenia, Belize
A soldier Cephalotes porrasi turtle ant seals the nest entrance with her head (left), while one of her sisters passes by. Soldiers act as living doors, allowing only members of their own colonies to pass.

Armenia, Belize
A soldier Cephalotes porrasi turtle ant seals the nest entrance with her head (left), while one of her sisters passes by. Soldiers act as living doors, allowing only members of their own colonies to pass.

Armenia, Belize
See photo in original gallery.
all images and text © Alex Wild 2001-2013